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

chrome/browser/external_tab_container_win.h

Index: chrome/browser/external_tab_container_win.h
diff --git a/chrome/browser/external_tab_container_win.h b/chrome/browser/external_tab_container_win.h
index 7accea49a29c3b26dba6f6c4d3514f22a905d090..8f15f6ddb097cdf567297f6c55a8cc69ec268ca8 100644
--- a/chrome/browser/external_tab_container_win.h
+++ b/chrome/browser/external_tab_container_win.h
@@ -189,8 +189,8 @@ class ExternalTabContainer : public content::WebContentsDelegate,
   virtual void CrashedPlugin(content::WebContents* tab,
                              const FilePath& plugin_path) OVERRIDE;
 
-  void RegisterRenderViewHost(RenderViewHost* render_view_host);
-  void UnregisterRenderViewHost(RenderViewHost* render_view_host);
+  void RegisterRenderViewHost(content::RenderViewHost* render_view_host);
+  void UnregisterRenderViewHost(content::RenderViewHost* render_view_host);
 
   // Overridden from content::WebContentsObserver:
   virtual bool OnMessageReceived(const IPC::Message& message);
@@ -253,8 +253,9 @@ class ExternalTabContainer : public content::WebContentsDelegate,
 
   // Helper resource automation registration method, allowing registration of
   // pending RenderViewHosts.
-  void RegisterRenderViewHostForAutomation(RenderViewHost* render_view_host,
-                                           bool pending_view);
+  void RegisterRenderViewHostForAutomation(
+      content::RenderViewHost* render_view_host,
+      bool pending_view);
 
   // Helper function for processing keystokes coming back from the renderer
   // process.