Remove JSC-specific code and V8 guards from Android-specific code

Also removes such code from downstream edits to non-Android-specific code.

Bug: 5495373
Change-Id: I478824af2e6ff0eff9a43a9534c2a5ee0e99e9f8

6 files changed, 7 insertions, 88 deletions

diff --git a/Source/WebKit/android/WebCoreSupport/FrameLoaderClientAndroid.h b/Source/WebKit/android/WebCoreSupport/FrameLoaderClientAndroid.h
index 2464c58..51b67ba 100644
--- a/Source/WebKit/android/WebCoreSupport/FrameLoaderClientAndroid.h
+++ b/Source/WebKit/android/WebCoreSupport/FrameLoaderClientAndroid.h
@@ -200,14 +200,12 @@ namespace android {
         virtual void documentElementAvailable();
         virtual void didPerformFirstNavigation() const;
 
-#if USE(V8)
-        // TODO(benm): Implement
+        // TODO: Implement
         virtual void didCreateScriptContextForFrame() { }
         virtual void didDestroyScriptContextForFrame() { }
         virtual void didCreateIsolatedScriptContext() { }
 
-         virtual bool allowScriptExtension(const String& extensionName, int extensionGroup) { return false; }
-#endif
+        virtual bool allowScriptExtension(const String& extensionName, int extensionGroup) { return false; }
         
         virtual void registerForIconNotification(bool listen = true);
 
diff --git a/Source/WebKit/android/WebCoreSupport/MemoryUsage.cpp b/Source/WebKit/android/WebCoreSupport/MemoryUsage.cpp
index 32cdebf..592fad3 100644
--- a/Source/WebKit/android/WebCoreSupport/MemoryUsage.cpp
+++ b/Source/WebKit/android/WebCoreSupport/MemoryUsage.cpp
@@ -29,9 +29,7 @@
 #include <malloc.h>
 #include <wtf/CurrentTime.h>
 
-#if USE(V8)
 #include <v8.h>
-#endif // USE(V8)
 
 using namespace WTF;
 
@@ -59,12 +57,10 @@ int MemoryUsageCache::getCachedMemoryUsage(bool forceFresh)
     struct mallinfo minfo = mallinfo();
     m_cachedMemoryUsage = (minfo.hblkhd + minfo.arena) >> 20;
 
-#if USE(V8)
     v8::HeapStatistics stat;
     v8::V8::GetHeapStatistics(&stat);
     unsigned v8Usage = stat.total_heap_size() >> 20;
     m_cachedMemoryUsage += v8Usage;
-#endif // USE(V8)
 
     m_cacheTime = currentTimeMS();
     return m_cachedMemoryUsage;
diff --git a/Source/WebKit/android/WebCoreSupport/PlatformBridge.cpp b/Source/WebKit/android/WebCoreSupport/PlatformBridge.cpp
index 27fe208..41c0222 100644
--- a/Source/WebKit/android/WebCoreSupport/PlatformBridge.cpp
+++ b/Source/WebKit/android/WebCoreSupport/PlatformBridge.cpp
@@ -118,15 +118,11 @@ bool PlatformBridge::cookiesEnabled(const Document* document)
 
 NPObject* PlatformBridge::pluginScriptableObject(Widget* widget)
 {
-#if USE(V8)
     if (!widget->isPluginView())
         return 0;
 
     PluginView* pluginView = static_cast<PluginView*>(widget);
     return pluginView->getNPObject();
-#else
-    return 0;
-#endif
 }
 
 bool PlatformBridge::isWebViewPaused(const WebCore::FrameView* frameView)
diff --git a/Source/WebKit/android/jni/WebCoreFrameBridge.cpp b/Source/WebKit/android/jni/WebCoreFrameBridge.cpp
index adacb49..c7db722 100644
--- a/Source/WebKit/android/jni/WebCoreFrameBridge.cpp
+++ b/Source/WebKit/android/jni/WebCoreFrameBridge.cpp
@@ -60,6 +60,8 @@
 #include "IconDatabase.h"
 #include "Image.h"
 #include "InspectorClientAndroid.h"
+#include "JavaNPObjectV8.h"
+#include "JavaInstanceJobjectV8.h"
 #include "KURL.h"
 #include "Page.h"
 #include "PageCache.h"
@@ -106,18 +108,6 @@
 #include <wtf/text/CString.h>
 #include <wtf/text/StringBuilder.h>
 
-#if USE(JSC)
-#include "GCController.h"
-#include "JSDOMWindow.h"
-#include "JavaInstanceJSC.h"
-#include <runtime_object.h>
-#include <runtime_root.h>
-#include <runtime/JSLock.h>
-#elif USE(V8)
-#include "JavaNPObjectV8.h"
-#include "JavaInstanceJobjectV8.h"
-#endif  // USE(JSC)
-
 #if ENABLE(WEB_AUTOFILL)
 #include "autofill/WebAutofill.h"
 #endif
@@ -1612,32 +1602,16 @@ static jobject StringByEvaluatingJavaScriptFromString(JNIEnv *env, jobject obj,
 // Wrap the JavaInstance used when binding custom javascript interfaces. Use a
 // weak reference so that the gc can collect the WebView. Override virtualBegin
 // and virtualEnd and swap the weak reference for the real object.
-#if USE(JSC)
-class WeakJavaInstance : public JavaInstance {
-#elif USE(V8)
 class WeakJavaInstance : public JavaInstanceJobject {
-#endif
 public:
-#if USE(JSC)
-    static PassRefPtr<WeakJavaInstance> create(jobject obj, PassRefPtr<RootObject> root)
-    {
-        return adoptRef(new WeakJavaInstance(obj, root));
-    }
-#elif USE(V8)
     static PassRefPtr<WeakJavaInstance> create(jobject obj)
     {
         return adoptRef(new WeakJavaInstance(obj));
     }
-#endif
 
 private:
-#if USE(JSC)
-    WeakJavaInstance(jobject instance, PassRefPtr<RootObject> rootObject)
-        : JavaInstance(instance, rootObject)
-#elif USE(V8)
     WeakJavaInstance(jobject instance)
         : JavaInstanceJobject(instance)
-#endif
         , m_beginEndDepth(0)
     {
         JNIEnv* env = getJNIEnv();
@@ -1687,11 +1661,7 @@ private:
     }
 
 private:
-#if USE(JSC)
-    typedef JavaInstance INHERITED;
-#elif USE(V8)
     typedef JavaInstanceJobject INHERITED;
-#endif
     jweak m_weakRef;
     // The current depth of nested calls to virtualBegin and virtualEnd.
     int m_beginEndDepth;
@@ -1711,28 +1681,6 @@ static void AddJavascriptInterface(JNIEnv *env, jobject obj, jint nativeFramePoi
     env->GetJavaVM(&vm);
     ALOGV("::WebCore:: addJSInterface: %p", pFrame);
 
-#if USE(JSC)
-    // Copied from qwebframe.cpp
-    JSC::JSLock lock(JSC::SilenceAssertionsOnly);
-    WebCore::JSDOMWindow *window = WebCore::toJSDOMWindow(pFrame, mainThreadNormalWorld());
-    if (window) {
-        RootObject *root = pFrame->script()->bindingRootObject();
-        setJavaVM(vm);
-        // Add the binding to JS environment
-        JSC::ExecState* exec = window->globalExec();
-        JSC::JSObject* addedObject = WeakJavaInstance::create(javascriptObj,
-                root)->createRuntimeObject(exec);
-        const jchar* s = env->GetStringChars(interfaceName, NULL);
-        if (s) {
-            // Add the binding name to the window's table of child objects.
-            JSC::PutPropertySlot slot;
-            window->put(exec, JSC::Identifier(exec, (const UChar *)s,
-                    env->GetStringLength(interfaceName)), addedObject, slot);
-            env->ReleaseStringChars(interfaceName, s);
-            checkException(env);
-        }
-    }
-#elif USE(V8)
     if (pFrame) {
         RefPtr<JavaInstance> addedObject = WeakJavaInstance::create(javascriptObj);
         const char* name = getCharactersFromJStringInEnv(env, interfaceName);
@@ -1753,8 +1701,6 @@ static void AddJavascriptInterface(JNIEnv *env, jobject obj, jint nativeFramePoi
         NPN_ReleaseObject(npObject);
         releaseCharactersForJString(interfaceName, name);
     }
-#endif
-
 }
 
 static void SetCacheDisabled(JNIEnv *env, jobject obj, jboolean disabled)
@@ -1798,13 +1744,8 @@ static void ClearCache(JNIEnv *env, jobject obj)
 {
     ClearWebCoreCache();
     ClearWebViewCache();
-#if USE(JSC)
-    // force JavaScript to GC when clear cache
-    WebCore::gcController().garbageCollectSoon();
-#elif USE(V8)
     WebCore::Frame* pFrame = GET_NATIVE_FRAME(env, obj);
     pFrame->script()->lowMemoryNotification();
-#endif  // USE(JSC)
 }
 
 static jboolean DocumentHasImages(JNIEnv *env, jobject obj)
diff --git a/Source/WebKit/android/jni/WebSettings.cpp b/Source/WebKit/android/jni/WebSettings.cpp
index 9b6f08b..9f7c2fa 100644
--- a/Source/WebKit/android/jni/WebSettings.cpp
+++ b/Source/WebKit/android/jni/WebSettings.cpp
@@ -49,9 +49,7 @@
 #include "Settings.h"
 #include "WebCoreFrameBridge.h"
 #include "WebCoreJni.h"
-#if USE(V8)
 #include "WorkerContextExecutionProxy.h"
-#endif
 #include "WebRequestContext.h"
 #include "WebViewCore.h"
 
diff --git a/Source/WebKit/android/jni/WebViewCore.cpp b/Source/WebKit/android/jni/WebViewCore.cpp
index 81bf577..2f177ed 100644
--- a/Source/WebKit/android/jni/WebViewCore.cpp
+++ b/Source/WebKit/android/jni/WebViewCore.cpp
@@ -104,6 +104,7 @@
 #include "ResourceRequest.h"
 #include "RuntimeEnabledFeatures.h"
 #include "SchemeRegistry.h"
+#include "ScriptController.h"
 #include "SelectionController.h"
 #include "SelectText.h"
 #include "Settings.h"
@@ -130,14 +131,11 @@
 #include <JNIHelp.h>
 #include <JNIUtility.h>
 #include <ui/KeycodeLabels.h>
+#include <v8.h>
 #include <wtf/CurrentTime.h>
 #include <wtf/text/AtomicString.h>
-#include <wtf/text/StringImpl.h>
-
-#if USE(V8)
-#include "ScriptController.h"
 #include <wtf/text/CString.h>
-#endif
+#include <wtf/text/StringImpl.h>
 
 #if DEBUG_NAV_UI
 #include "SkTime.h"
@@ -161,10 +159,6 @@ FILE* gRenderTreeFile = 0;
 #include "RenderLayerCompositor.h"
 #endif
 
-#if USE(V8)
-#include <v8.h>
-#endif
-
 // In some cases, too many invalidations passed to the UI will slow us down.
 // Limit ourselves to 32 rectangles, past this just send the area bounds to the UI.
 // see WebViewCore::recordPictureSet().
@@ -465,12 +459,10 @@ WebViewCore::WebViewCore(JNIEnv* env, jobject javaWebViewCore, WebCore::Frame* m
     AndroidNetworkLibraryImpl::InitWithApplicationContext(env, 0);
 #endif
 
-#if USE(V8)
     // Static initialisation of certain important V8 static data gets performed at system startup when
     // libwebcore gets loaded. We now need to associate the WebCore thread with V8 to complete
     // initialisation.
     v8::V8::Initialize();
-#endif
 
     // Configure any RuntimeEnabled features that we need to change from their default now.
     // See WebCore/bindings/generic/RuntimeEnabledFeatures.h
@@ -4800,11 +4792,9 @@ static void DumpNavTree(JNIEnv* env, jobject obj, jint nativeClass)
 
 static void SetJsFlags(JNIEnv* env, jobject obj, jint nativeClass, jstring flags)
 {
-#if USE(V8)
     WTF::String flagsString = jstringToWtfString(env, flags);
     WTF::CString utf8String = flagsString.utf8();
     WebCore::ScriptController::setFlags(utf8String.data(), utf8String.length());
-#endif
 }