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diff --git a/WebKit/android/wds/Command.h b/WebKit/android/wds/Command.h
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+++ b/WebKit/android/wds/Command.h
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+/*
+ * Copyright 2008, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef WDS_COMMAND_H
+#define WDS_COMMAND_H
+
+#include "wtf/MainThread.h"
+#include "wtf/Vector.h"
+
+namespace WebCore {
+class Frame;
+}
+
+using namespace WTF;
+using namespace WebCore;
+
+namespace android {
+
+// WebCore Debug Server
+namespace WDS {
+
+class Connection;
+
+// Command identifier length
+#define COMMAND_LENGTH 4
+
+// The dispatcher function called with a Frame for context and the established
+// connection to the client. The connection can be used to read and write to the
+// client application. Return true on successful completion of the command,
+// return false to indicate failure.
+typedef bool (*DispatchFunction)(const Frame*, const Connection*);
+
+// Note: Although the type is named MainThreadFunction, it may not always be
+// the main thread. The type is generic enough to reuse here but named
+// something more appropriate.
+typedef MainThreadFunction TargetThreadFunction;
+
+// Helper class to dipatch functions on a particular thread.
+class Handler {
+public:
+    virtual ~Handler() {}
+    virtual void post(TargetThreadFunction, void*) const = 0;
+};
+
+// Class for containing information about particular commands.
+class Command {
+public:
+    Command(const char* name, const char* desc, const DispatchFunction func,
+            const Handler& handler)
+        : m_name(name)
+        , m_description(desc)
+        , m_dispatch(func)
+        , m_handler(handler) {}
+    Command(const Command& comm)
+        : m_name(comm.m_name)
+        , m_description(comm.m_description)
+        , m_dispatch(comm.m_dispatch)
+        , m_handler(comm.m_handler) {}
+    virtual ~Command() {}
+
+    // Initialize the debug server commands
+    static void Init();
+
+    // Find the command specified by the client request.
+    static Command* Find(const Connection* conn);
+
+    // Dispatch this command
+    void dispatch();
+
+    const char* name() const { return m_name; }
+
+protected:
+    const char* m_name;
+    const char* m_description;
+    const DispatchFunction m_dispatch;
+
+private:
+    const Handler& m_handler;
+    static Vector<const Command*>* s_commands;
+};
+
+} // end namespace WDS
+
+} // end namespace android
+
+#endif