Move Render(View|Widget)Host and associated classes to content namespace.

chrome/browser/extensions/extension_webnavigation_api.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.
 
 // Implements the Chrome Extensions WebNavigation API.
 
 #include "chrome/browser/extensions/extension_webnavigation_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
@@ skipping 539 matching lines @@
     default:
       NOTREACHED();
   }
 }
 
 void ExtensionWebNavigationTabObserver::DidStartProvisionalLoadForFrame(
     int64 frame_id,
     bool is_main_frame,
     const GURL& validated_url,
     bool is_error_page,
-    RenderViewHost* render_view_host) {
+    content::RenderViewHost* render_view_host) {
   // Ignore navigations of sub frames, if the main frame isn't committed yet.
   // This might happen if a sub frame triggers a navigation for both the main
   // frame and itself. Since the sub frame is about to be deleted, and there's
   // no way for an extension to tell that these navigations belong to an old
   // frame, we just suppress the events here.
   int64 main_frame_id = navigation_state_.GetMainFrameID();
   if (!is_main_frame &&
       !navigation_state_.GetNavigationCommitted(main_frame_id)) {
     return;
   }
@@ skipping 227 matching lines @@
         keys::kFrameIdKey,
         GetFrameId(navigation_state.IsMainFrame(*frame), *frame));
     frameDict->SetBoolean(
         keys::kErrorOccurredKey,
         navigation_state.GetErrorOccurredInFrame(*frame));
     resultList->Append(frameDict);
   }
   result_.reset(resultList);
   return true;
 }