Merge change 22913 into eclair

* changes:
  Adds V8 bindings for Geolocation.

7 files changed, 479 insertions, 0 deletions

diff --git a/WebCore/bindings/v8/DerivedSourcesAllInOne.cpp b/WebCore/bindings/v8/DerivedSourcesAllInOne.cpp
index e2d4fd1..e52a505 100644
--- a/WebCore/bindings/v8/DerivedSourcesAllInOne.cpp
+++ b/WebCore/bindings/v8/DerivedSourcesAllInOne.cpp
@@ -79,6 +79,7 @@
 #include "bindings/V8File.cpp"
 #include "bindings/V8FileList.cpp"
 #include "bindings/V8History.cpp"
+#include "bindings/V8Geolocation.cpp"
 #include "bindings/V8HTMLAllCollection.cpp"
 #include "bindings/V8HTMLAnchorElement.cpp"
 #include "bindings/V8HTMLAppletElement.cpp"
diff --git a/WebCore/bindings/v8/custom/V8CustomBinding.h b/WebCore/bindings/v8/custom/V8CustomBinding.h
index 80fed1d..60f0d82 100644
--- a/WebCore/bindings/v8/custom/V8CustomBinding.h
+++ b/WebCore/bindings/v8/custom/V8CustomBinding.h
@@ -521,6 +521,9 @@ namespace WebCore {
         DECLARE_CALLBACK(SharedWorkerConstructor);
 #endif
 
+        DECLARE_CALLBACK(GeolocationGetCurrentPosition);
+        DECLARE_CALLBACK(GeolocationWatchPosition);
+
 #undef DECLARE_INDEXED_ACCESS_CHECK
 #undef DECLARE_NAMED_ACCESS_CHECK
 
diff --git a/WebCore/bindings/v8/custom/V8CustomPositionCallback.cpp b/WebCore/bindings/v8/custom/V8CustomPositionCallback.cpp
new file mode 100644
index 0000000..4f2fe0e
--- /dev/null
+++ b/WebCore/bindings/v8/custom/V8CustomPositionCallback.cpp
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2009, Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "V8CustomPositionCallback.h"
+
+#include "Frame.h"
+#include "V8CustomVoidCallback.h"  // For invokeCallback
+
+namespace WebCore {
+
+V8CustomPositionCallback::V8CustomPositionCallback(v8::Local<v8::Object> callback, Frame* frame)
+    : m_callback(v8::Persistent<v8::Object>::New(callback))
+    , m_frame(frame)
+{
+}
+
+V8CustomPositionCallback::~V8CustomPositionCallback()
+{
+    m_callback.Dispose();
+}
+
+void V8CustomPositionCallback::handleEvent(Geoposition* position)
+{
+    LOCK_V8;
+    v8::HandleScope handleScope;
+
+    v8::Handle<v8::Context> context = V8Proxy::context(m_frame.get());
+    if (context.IsEmpty())
+        return;
+
+    v8::Context::Scope scope(context);
+
+    v8::Handle<v8::Value> argv[] = {
+        V8DOMWrapper::convertToV8Object(V8ClassIndex::GEOPOSITION, position)
+    };
+
+    // Protect the frame until the callback returns.
+    RefPtr<Frame> protector(m_frame);
+
+    bool callbackReturnValue = false;
+    invokeCallback(m_callback, 1, argv, callbackReturnValue);
+}
+
+} // namespace WebCore
diff --git a/WebCore/bindings/v8/custom/V8CustomPositionCallback.h b/WebCore/bindings/v8/custom/V8CustomPositionCallback.h
new file mode 100644
index 0000000..06be83b
--- /dev/null
+++ b/WebCore/bindings/v8/custom/V8CustomPositionCallback.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef V8CustomPositionCallback_h
+#define V8CustomPositionCallback_h
+
+#include "PositionCallback.h"
+#include <v8.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+
+class Frame;
+class Geoposition;
+
+class V8CustomPositionCallback : public PositionCallback {
+public:
+    static PassRefPtr<V8CustomPositionCallback> create(v8::Local<v8::Value> value, Frame* frame)
+    {
+        ASSERT(value->IsObject());
+        return adoptRef(new V8CustomPositionCallback(value->ToObject(), frame));
+    }
+    virtual ~V8CustomPositionCallback();
+
+    virtual void handleEvent(Geoposition*);
+
+private:
+    V8CustomPositionCallback(v8::Local<v8::Object>, Frame*);
+
+    v8::Persistent<v8::Object> m_callback;
+    RefPtr<Frame> m_frame;
+};
+
+} // namespace WebCore
+
+#endif // V8CustomPositionCallback_h
diff --git a/WebCore/bindings/v8/custom/V8CustomPositionErrorCallback.cpp b/WebCore/bindings/v8/custom/V8CustomPositionErrorCallback.cpp
new file mode 100644
index 0000000..e446d85
--- /dev/null
+++ b/WebCore/bindings/v8/custom/V8CustomPositionErrorCallback.cpp
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2009, Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "V8CustomPositionErrorCallback.h"
+
+#include "Frame.h"
+#include "V8CustomVoidCallback.h"  // For invokeCallback
+
+namespace WebCore {
+
+V8CustomPositionErrorCallback::V8CustomPositionErrorCallback(v8::Local<v8::Object> callback, Frame* frame)
+    : m_callback(v8::Persistent<v8::Object>::New(callback))
+    , m_frame(frame)
+{
+}
+
+V8CustomPositionErrorCallback::~V8CustomPositionErrorCallback()
+{
+    m_callback.Dispose();
+}
+
+void V8CustomPositionErrorCallback::handleEvent(PositionError* error)
+{
+    LOCK_V8;
+    v8::HandleScope handleScope;
+
+    v8::Handle<v8::Context> context = V8Proxy::context(m_frame.get());
+    if (context.IsEmpty())
+        return;
+
+    v8::Context::Scope scope(context);
+
+    v8::Handle<v8::Value> argv[] = {
+        V8DOMWrapper::convertToV8Object(V8ClassIndex::POSITIONERROR, error)
+    };
+
+    // Protect the frame until the callback returns.
+    RefPtr<Frame> protector(m_frame);
+
+    bool callbackReturnValue = false;
+    invokeCallback(m_callback, 1, argv, callbackReturnValue);
+}
+
+} // namespace WebCore
diff --git a/WebCore/bindings/v8/custom/V8CustomPositionErrorCallback.h b/WebCore/bindings/v8/custom/V8CustomPositionErrorCallback.h
new file mode 100644
index 0000000..703b7b2
--- /dev/null
+++ b/WebCore/bindings/v8/custom/V8CustomPositionErrorCallback.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef V8CustomPositionErrorCallback_h
+#define V8CustomPositionErrorCallback_h
+
+#include "PositionErrorCallback.h"
+#include <v8.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+
+class Frame;
+class PositionError;
+
+class V8CustomPositionErrorCallback : public PositionErrorCallback {
+public:
+    static PassRefPtr<V8CustomPositionErrorCallback> create(v8::Local<v8::Value> value, Frame* frame)
+    {
+        ASSERT(value->IsObject());
+        return adoptRef(new V8CustomPositionErrorCallback(value->ToObject(), frame));
+    }
+    virtual ~V8CustomPositionErrorCallback();
+
+    virtual void handleEvent(PositionError*);
+
+private:
+    V8CustomPositionErrorCallback(v8::Local<v8::Object>, Frame*);
+
+    v8::Persistent<v8::Object> m_callback;
+    RefPtr<Frame> m_frame;
+};
+
+} // namespace WebCore
+
+#endif // V8CustomPositionErrorCallback_h
diff --git a/WebCore/bindings/v8/custom/V8GeolocationCustom.cpp b/WebCore/bindings/v8/custom/V8GeolocationCustom.cpp
new file mode 100644
index 0000000..5373626
--- /dev/null
+++ b/WebCore/bindings/v8/custom/V8GeolocationCustom.cpp
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "Geolocation.h"
+#include "V8Binding.h"
+#include "V8CustomBinding.h"
+#include "V8CustomPositionCallback.h"
+#include "V8CustomPositionErrorCallback.h"
+#include "V8Proxy.h"
+
+
+using namespace WTF;
+
+namespace WebCore {
+
+static const char* typeMismatchError = "TYPE_MISMATCH_ERR: DOM Exception 17";
+
+static void throwTypeMismatchException()
+{
+    V8Proxy::throwError(V8Proxy::GeneralError, typeMismatchError);
+}
+
+static PassRefPtr<PositionCallback> createPositionCallback(v8::Local<v8::Value> value, bool& succeeded)
+{
+    succeeded = true;
+
+    // The spec specifies 'FunctionOnly' for this object.
+    if (!value->IsFunction()) {
+        succeeded = false;
+        throwTypeMismatchException();
+        return 0;
+    }
+
+    Frame* frame = V8Proxy::retrieveFrameForCurrentContext();
+    return V8CustomPositionCallback::create(value, frame);
+}
+
+static PassRefPtr<PositionErrorCallback> createPositionErrorCallback(v8::Local<v8::Value> value, bool& succeeded)
+{
+    succeeded = true;
+
+    // Argument is optional (hence undefined is allowed), and null is allowed.
+    if (isUndefinedOrNull(value))
+        return 0;
+
+    // The spec specifies 'FunctionOnly' for this object.
+    if (!value->IsFunction()) {
+        succeeded = false;
+        throwTypeMismatchException();
+        return 0;
+    }
+
+    Frame* frame = V8Proxy::retrieveFrameForCurrentContext();
+    return V8CustomPositionErrorCallback::create(value, frame);
+}
+
+static PassRefPtr<PositionOptions> createPositionOptions(v8::Local<v8::Value> value, bool& succeeded)
+{
+    succeeded = true;
+
+    // Create default options.
+    RefPtr<PositionOptions> options = PositionOptions::create();
+
+    // Argument is optional (hence undefined is allowed), and null is allowed.
+    if (isUndefinedOrNull(value)) {
+        // Use default options.
+        return options.release();
+    }
+
+    // Given the above test, this will always yield an object.
+    v8::Local<v8::Object> object = value->ToObject();
+
+    // For all three properties, we apply the following ...
+    // - If the getter or the property's valueOf method throws an exception, we
+    //   quit so as not to risk overwriting the exception.
+    // - If the value is absent or undefined, we don't override the default.
+    v8::Local<v8::Value> enableHighAccuracyValue = object->Get(v8::String::New("enableHighAccuracy"));
+    if (enableHighAccuracyValue.IsEmpty()) {
+        succeeded = false;
+        return 0;
+    }
+    if (!enableHighAccuracyValue->IsUndefined()) {
+        v8::Local<v8::Boolean> enableHighAccuracyBoolean = enableHighAccuracyValue->ToBoolean();
+        if (enableHighAccuracyBoolean.IsEmpty()) {
+            succeeded = false;
+            return 0;
+        }
+        options->setEnableHighAccuracy(enableHighAccuracyBoolean->Value());
+    }
+
+    v8::Local<v8::Value> timeoutValue = object->Get(v8::String::New("timeout"));
+    if (timeoutValue.IsEmpty()) {
+        succeeded = false;
+        return 0;
+    }
+    if (!timeoutValue->IsUndefined()) {
+        v8::Local<v8::Int32> timeoutInt32 = timeoutValue->ToInt32();
+        if (timeoutInt32.IsEmpty()) {
+            succeeded = false;
+            return 0;
+        }
+        // Wrap to int32 and force non-negative to match behavior of window.setTimeout.
+        options->setTimeout(max(0, timeoutInt32->Value()));
+    }
+
+    v8::Local<v8::Value> maximumAgeValue = object->Get(v8::String::New("maximumAge"));
+    if (maximumAgeValue.IsEmpty()) {
+        succeeded = false;
+        return 0;
+    }
+    if (!maximumAgeValue->IsUndefined()) {
+        v8::Local<v8::Int32> maximumAgeInt32 = maximumAgeValue->ToInt32();
+        if (maximumAgeInt32.IsEmpty()) {
+            succeeded = false;
+            return 0;
+        }
+        // Wrap to int32 and force non-negative to match behavior of window.setTimeout.
+        options->setMaximumAge(max(0, maximumAgeInt32->Value()));
+    }
+
+    return options.release();
+}
+
+CALLBACK_FUNC_DECL(GeolocationGetCurrentPosition)
+{
+    INC_STATS("DOM.Geolocation.getCurrentPosition()");
+
+    bool succeeded = false;
+
+    RefPtr<PositionCallback> positionCallback = createPositionCallback(args[0], succeeded);
+    if (!succeeded)
+        return v8::Undefined();
+    ASSERT(positionCallback);
+
+    RefPtr<PositionErrorCallback> positionErrorCallback = createPositionErrorCallback(args[1], succeeded);
+    if (!succeeded)
+        return v8::Undefined();
+
+    RefPtr<PositionOptions> positionOptions = createPositionOptions(args[2], succeeded);
+    if (!succeeded)
+        return v8::Undefined();
+    ASSERT(positionOptions);
+
+    Geolocation* geolocation = V8DOMWrapper::convertToNativeObject<Geolocation>(V8ClassIndex::GEOLOCATION, args.Holder());
+    geolocation->getCurrentPosition(positionCallback.release(), positionErrorCallback.release(), positionOptions.release());
+    return v8::Undefined();
+}
+
+CALLBACK_FUNC_DECL(GeolocationWatchPosition)
+{
+    INC_STATS("DOM.Geolocation.watchPosition()");
+
+    bool succeeded = false;
+
+    RefPtr<PositionCallback> positionCallback = createPositionCallback(args[0], succeeded);
+    if (!succeeded)
+        return v8::Undefined();
+    ASSERT(positionCallback);
+
+    RefPtr<PositionErrorCallback> positionErrorCallback = createPositionErrorCallback(args[1], succeeded);
+    if (!succeeded)
+        return v8::Undefined();
+
+    RefPtr<PositionOptions> positionOptions = createPositionOptions(args[2], succeeded);
+    if (!succeeded)
+        return v8::Undefined();
+    ASSERT(positionOptions);
+
+    Geolocation* geolocation = V8DOMWrapper::convertToNativeObject<Geolocation>(V8ClassIndex::GEOLOCATION, args.Holder());
+    int watchId = geolocation->watchPosition(positionCallback.release(), positionErrorCallback.release(), positionOptions.release());
+    return v8::Number::New(watchId);
+}
+
+} // namespace WebCore