Oilpan: move 2D Canvas and WebGL objects to the heap.

Source/bindings/core/v8/custom/V8WebGLRenderingContextCustom.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 325 matching lines @@
 void V8WebGLRenderingContext::getExtensionMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "getExtension", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
     WebGLRenderingContext* impl = V8WebGLRenderingContext::toNative(info.Holder());
     if (info.Length() < 1) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
     TOSTRING_VOID(V8StringResource<>, name, info[0]);
-    RefPtr<WebGLExtension> extension(impl->getExtension(name));
+    RefPtrWillBeRawPtr<WebGLExtension> extension(impl->getExtension(name));
     v8SetReturnValue(info, toV8Object(extension.get(), info.Holder(), info.GetIsolate()));
 }
 
 void V8WebGLRenderingContext::getFramebufferAttachmentParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "getFramebufferAttachmentParameter", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
     if (info.Length() != 3) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(3, info.Length()));
         exceptionState.throwIfNeeded();
         return;
@@ skipping 465 matching lines @@
     vertexAttribAndUniformHelperf(info, kVertexAttrib3v, exceptionState);
 }
 
 void V8WebGLRenderingContext::vertexAttrib4fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "vertexAttrib4fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
     vertexAttribAndUniformHelperf(info, kVertexAttrib4v, exceptionState);
 }
 
 } // namespace blink