Remove some WebContents::GetRenderViewHost() calls.

chrome/browser/ui/search/search_ipc_router_unittest.cc

 // 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 "chrome/browser/ui/search/search_ipc_router.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <tuple>
@@ skipping 104 matching lines @@
     template_url_service->SetUserSelectedDefaultSearchProvider(template_url);
     process()->sink().ClearMessages();
   }
 
   content::WebContents* web_contents() {
     return browser()->tab_strip_model()->GetActiveWebContents();
   }
 
   content::MockRenderProcessHost* process() {
     return static_cast<content::MockRenderProcessHost*>(
-        web_contents()->GetRenderViewHost()->GetProcess());
+        web_contents()->GetMainFrame()->GetProcess());
   }
 
   SearchTabHelper* GetSearchTabHelper(
       content::WebContents* web_contents) {
     EXPECT_NE(static_cast<content::WebContents*>(NULL), web_contents);
     return SearchTabHelper::FromWebContents(web_contents);
   }
 
   void SetupMockDelegateAndPolicy() {
     content::WebContents* contents = web_contents();
@@ skipping 575 matching lines @@
 
   // Construct a series of synthetic messages for each valid IPC message type,
   // ensuring the router ignores them all.
   for (int i = 0; i < LastIPCMsgStart; ++i) {
     const int message_id = i << 16;
     ASSERT_EQ(IPC_MESSAGE_ID_CLASS(message_id), i);
     IPC::Message msg(routing_id, message_id, IPC::Message::PRIORITY_LOW);
     EXPECT_FALSE(OnSpuriousMessageReceived(msg)) << i;
   }
 }