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

chrome/browser/prerender/prerender_browsertest.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 <deque>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 3277 matching lines @@
   ASSERT_TRUE(prerender->contents());
   prerender->contents()->set_should_be_shown(false);
   OpenDestURLViaClickNewBackgroundTab();
 }
 
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest,
                        NavigateToPrerenderedPageWhenDevToolsAttached) {
   DisableJavascriptCalls();
   WebContents* web_contents =
       current_browser()->tab_strip_model()->GetActiveWebContents();
-  scoped_refptr<DevToolsAgentHost> agent(DevToolsAgentHost::GetOrCreateFor(
-      web_contents->GetRenderViewHost()));
+  scoped_refptr<DevToolsAgentHost> agent(
+      DevToolsAgentHost::GetOrCreateFor(web_contents));
   DevToolsManager* manager = DevToolsManager::GetInstance();
   FakeDevToolsClientHost client_host;
   manager->RegisterDevToolsClientHostFor(agent.get(), &client_host);
   const char* url = "files/prerender/prerender_page.html";
   PrerenderTestURL(url, FINAL_STATUS_DEVTOOLS_ATTACHED, 1);
   NavigateToURLWithDisposition(url, CURRENT_TAB, false);
   manager->ClientHostClosing(&client_host);
 }
 
 // Validate that the sessionStorage namespace remains the same when swapping
@@ skipping 1109 matching lines @@
 
   // Navigate to the URL entered.
   omnibox_view->model()->AcceptInput(CURRENT_TAB, false);
 
   // Prerender should be running, but abandoned.
   EXPECT_TRUE(
       GetAutocompleteActionPredictor()->IsPrerenderAbandonedForTesting());
 }
 
 }  // namespace prerender