Fix wrong cast in ExtensionsGuestViewContainer.

extensions/renderer/guest_view/extensions_guest_view_container.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/renderer/guest_view/extensions_guest_view_container.h"
 
-#include "base/location.h"
-#include "base/single_thread_task_runner.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "content/public/renderer/render_frame.h"
-#include "ui/gfx/geometry/size.h"
-
 namespace extensions {
 
 ExtensionsGuestViewContainer::ExtensionsGuestViewContainer(
     content::RenderFrame* render_frame)
-    : GuestViewContainer(render_frame),
-      element_resize_isolate_(nullptr),
-      weak_ptr_factory_(this) {
+    : GuestViewContainer(render_frame) {
 }
 
 ExtensionsGuestViewContainer::~ExtensionsGuestViewContainer() {
 }
 
 void ExtensionsGuestViewContainer::OnDestroy(bool embedder_frame_destroyed) {
 }
 
-void ExtensionsGuestViewContainer::RegisterElementResizeCallback(
-    v8::Local<v8::Function> callback,
-    v8::Isolate* isolate) {
-  element_resize_callback_.Reset(isolate, callback);
-  element_resize_isolate_ = isolate;
-}
-
-void ExtensionsGuestViewContainer::DidResizeElement(const gfx::Size& new_size) {
-  // Call the element resize callback, if one is registered.
-  if (element_resize_callback_.IsEmpty())
-    return;
-
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE,
-      base::Bind(&ExtensionsGuestViewContainer::CallElementResizeCallback,
-                 weak_ptr_factory_.GetWeakPtr(), new_size));
-}
-
-void ExtensionsGuestViewContainer::CallElementResizeCallback(
-    const gfx::Size& new_size) {
-  v8::HandleScope handle_scope(element_resize_isolate_);
-  v8::Local<v8::Function> callback = v8::Local<v8::Function>::New(
-      element_resize_isolate_, element_resize_callback_);
-  v8::Local<v8::Context> context = callback->CreationContext();
-  if (context.IsEmpty())
-    return;
-
-  const int argc = 2;
-  v8::Local<v8::Value> argv[argc] = {
-      v8::Integer::New(element_resize_isolate_, new_size.width()),
-      v8::Integer::New(element_resize_isolate_, new_size.height())};
-
-  v8::Context::Scope context_scope(context);
-  v8::MicrotasksScope microtasks(
-      element_resize_isolate_, v8::MicrotasksScope::kDoNotRunMicrotasks);
-
-  callback->Call(context->Global(), argc, argv);
-}
-
 }  // namespace extensions