Introduce RenderFrameObserver.

content/public/renderer/render_frame_observer.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright 2013 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 "content/public/renderer/render_view_observer.h"
+#include "content/public/renderer/render_frame_observer.h"
 
-#include "content/renderer/render_view_impl.h"
+#include "content/renderer/render_frame_impl.h"
 
 using blink::WebFrame;
 
 namespace content {
 
-RenderViewObserver::RenderViewObserver(RenderView* render_view)
-    : render_view_(render_view),
+RenderFrameObserver::RenderFrameObserver(RenderFrame* render_frame)
+    : render_frame_(render_frame),
       routing_id_(MSG_ROUTING_NONE) {
-  // |render_view| can be NULL on unit testing.
-  if (render_view) {
-    RenderViewImpl* impl = static_cast<RenderViewImpl*>(render_view);
+  // |render_frame| can be NULL on unit testing.
+  if (render_frame) {
+    RenderFrameImpl* impl = static_cast<RenderFrameImpl*>(render_frame);
     routing_id_ = impl->routing_id();
     impl->AddObserver(this);
   }
 }
 
-RenderViewObserver::~RenderViewObserver() {
-  if (render_view_) {
-    RenderViewImpl* impl = static_cast<RenderViewImpl*>(render_view_);
+RenderFrameObserver::~RenderFrameObserver() {
+  if (render_frame_) {
+    RenderFrameImpl* impl = static_cast<RenderFrameImpl*>(render_frame_);
     impl->RemoveObserver(this);
   }
 }
 
-void RenderViewObserver::OnDestruct() {
+void RenderFrameObserver::OnDestruct() {
   delete this;
 }
 
-bool RenderViewObserver::OnMessageReceived(const IPC::Message& message) {
+bool RenderFrameObserver::OnMessageReceived(const IPC::Message& message) {
   return false;
 }
 
-bool RenderViewObserver::Send(IPC::Message* message) {
-  if (render_view_)
-    return render_view_->Send(message);
+bool RenderFrameObserver::Send(IPC::Message* message) {
+  if (render_frame_)
+    return render_frame_->Send(message);
 
   delete message;
   return false;
 }
 
-RenderView* RenderViewObserver::render_view() const {
-  return render_view_;
+RenderFrame* RenderFrameObserver::render_frame() const {
+  return render_frame_;
 }
 
-void RenderViewObserver::RenderViewGone() {
-  render_view_ = NULL;
+void RenderFrameObserver::RenderFrameGone() {
+  render_frame_ = NULL;
 }
 
 }  // namespace content