Introduce V8GCController::collectAllGarbage

Source/bindings/core/v8/V8GCController.cpp

 /*
  * 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
@@ skipping 464 matching lines @@
 
 void V8GCController::collectGarbage(v8::Isolate* isolate)
 {
     v8::HandleScope handleScope(isolate);
     RefPtr<ScriptState> scriptState = ScriptState::create(v8::Context::New(isolate), DOMWrapperWorld::create(isolate));
     ScriptState::Scope scope(scriptState.get());
     V8ScriptRunner::compileAndRunInternalScript(v8String(isolate, "if (gc) gc();"), isolate);
     scriptState->disposePerContextData();
 }
 
+void V8GCController::collectAllGarbage(v8::Isolate* isolate)
+{
+    for (unsigned i = 0; i < 5; i++)
+        V8GCController::collectGarbage(isolate);
+}
+
 void V8GCController::reportDOMMemoryUsageToV8(v8::Isolate* isolate)
 {
     if (!isMainThread())
         return;
 
     static size_t lastUsageReportedToV8 = 0;
 
     size_t currentUsage = WTF::Partitions::currentDOMMemoryUsage();
     int64_t diff = static_cast<int64_t>(currentUsage) - static_cast<int64_t>(lastUsageReportedToV8);
     isolate->AdjustAmountOfExternalAllocatedMemory(diff);
@@ skipping 23 matching lines @@
     Visitor* m_visitor;
 };
 
 void V8GCController::traceDOMWrappers(v8::Isolate* isolate, Visitor* visitor)
 {
     DOMWrapperTracer tracer(visitor);
     v8::V8::VisitHandlesWithClassIds(isolate, &tracer);
 }
 
 } // namespace blink