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

Source/bindings/core/v8/custom/V8WebGLRenderingContextCustom.cpp

Index: Source/bindings/core/v8/custom/V8WebGLRenderingContextCustom.cpp
diff --git a/Source/bindings/core/v8/custom/V8WebGLRenderingContextCustom.cpp b/Source/bindings/core/v8/custom/V8WebGLRenderingContextCustom.cpp
index 9e1ad2505812db8d42faaacbe87add92f1ed81e9..1e3b2712e81dfe147d01e16dc366d3e1f10be3b5 100644
--- a/Source/bindings/core/v8/custom/V8WebGLRenderingContextCustom.cpp
+++ b/Source/bindings/core/v8/custom/V8WebGLRenderingContextCustom.cpp
@@ -346,7 +346,7 @@ void V8WebGLRenderingContext::getAttachedShadersMethodCustom(const v8::FunctionC
         return;
     }
     WebGLProgram* program = V8WebGLProgram::toNativeWithTypeCheck(info.GetIsolate(), info[programArgumentIndex]);
-    Vector<RefPtr<WebGLShader> > shaders;
+    WillBeHeapVector<RefPtrWillBeMember<WebGLShader> > shaders;
     bool succeed = context->getAttachedShaders(program, shaders);
     if (!succeed) {
         v8SetReturnValueNull(info);
@@ -374,7 +374,7 @@ void V8WebGLRenderingContext::getExtensionMethodCustom(const v8::FunctionCallbac
         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()));
 }