Move ClosePage() from RenderViewHost to WebContents.

chrome/browser/devtools/devtools_window.cc

 // Copyright (c) 2012 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 "chrome/browser/devtools/devtools_window.h"
 
 #include <algorithm>
 
 #include "base/json/json_reader.h"
 #include "base/metrics/histogram.h"
@@ skipping 1054 matching lines @@
 }
 
 void DevToolsWindow::SetWhitelistedShortcuts(
     const std::string& message) {
   event_forwarder_->SetWhitelistedShortcuts(message);
 }
 
 void DevToolsWindow::InspectedContentsClosing() {
   intercepted_page_beforeunload_ = false;
   life_stage_ = kClosing;
-  main_web_contents_->GetRenderViewHost()->ClosePage();
+  main_web_contents_->ClosePage();
 }
 
 InfoBarService* DevToolsWindow::GetInfoBarService() {
   return is_docked_ ?
       InfoBarService::FromWebContents(GetInspectedWebContents()) :
       InfoBarService::FromWebContents(main_web_contents_);
 }
 
 void DevToolsWindow::RenderProcessGone(bool crashed) {
   // Docked DevToolsWindow owns its main_web_contents_ and must delete it.
@@ skipping 133 matching lines @@
       closure.Run();
     return;
   }
   load_completed_callback_ = closure;
 }
 
 bool DevToolsWindow::ForwardKeyboardEvent(
     const content::NativeWebKeyboardEvent& event) {
   return event_forwarder_->ForwardEvent(event);
 }