DevTools: migrate DevTools APIs to use WebContents instead of RenderViewHost.

chrome/browser/renderer_context_menu/render_view_context_menu.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 "chrome/browser/renderer_context_menu/render_view_context_menu.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 2015 matching lines @@
       gfx::Size(kImageSearchThumbnailMaxWidth,
                 kImageSearchThumbnailMaxHeight)));
 }
 
 void RenderViewContextMenu::Inspect(int x, int y) {
   content::RecordAction(UserMetricsAction("DevTools_InspectElement"));
   RenderFrameHost* render_frame_host =
       RenderFrameHost::FromID(render_process_id_, render_frame_id_);
   if (!render_frame_host)
     return;
-  DevToolsWindow::InspectElement(render_frame_host->GetRenderViewHost(), x, y);
+  DevToolsWindow::InspectElement(
+      WebContents::FromRenderFrameHost(render_frame_host), x, y);
 }
 
 void RenderViewContextMenu::WriteURLToClipboard(const GURL& url) {
   chrome_common_net::WriteURLToClipboard(
       url,
       GetPrefs(browser_context_)->GetString(prefs::kAcceptLanguages),
       ui::Clipboard::GetForCurrentThread());
 }
 
 void RenderViewContextMenu::MediaPlayerActionAt(
     const gfx::Point& location,
     const WebMediaPlayerAction& action) {
   source_web_contents_->GetRenderViewHost()->
       ExecuteMediaPlayerActionAtLocation(location, action);
 }
 
 void RenderViewContextMenu::PluginActionAt(
     const gfx::Point& location,
     const WebPluginAction& action) {
   source_web_contents_->GetRenderViewHost()->
       ExecutePluginActionAtLocation(location, action);
 }