Extract minimal RenderViewHost interface for embedders, leaving

chrome/browser/safe_browsing/safe_browsing_tab_observer.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/safe_browsing/safe_browsing_tab_observer.h"
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/chrome_notification_types.h"
@@ skipping 72 matching lines @@
       g_browser_process->safe_browsing_detection_service()) {
     if (!safebrowsing_detection_host_.get()) {
       safebrowsing_detection_host_.reset(
           ClientSideDetectionHost::Create(wrapper_->web_contents()));
     }
   } else {
     safebrowsing_detection_host_.reset();
   }
 
   RenderViewHost* rvh = wrapper_->web_contents()->GetRenderViewHost();
-  rvh->Send(new ChromeViewMsg_SetClientSidePhishingDetection(rvh->routing_id(),
-                                                             safe_browsing));
+  rvh->Send(new ChromeViewMsg_SetClientSidePhishingDetection(
+      rvh->GetRoutingID(), safe_browsing));
 #endif
 }
 
 }  // namespace safe_browsing