Move RenderWidgetHostView into content namespace. Fix include paths.

content/browser/tab_contents/tab_contents_view_gtk.h

 // 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.
 
 #ifndef CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
@@ skipping 34 matching lines @@
   TabContents* tab_contents() { return tab_contents_; }
   GtkWidget* expanded_container() { return expanded_.get(); }
   WebContents* web_contents();
 
   // Allows our embeder to intercept incoming drag messages.
   void SetDragDestDelegate(WebDragDestDelegate* delegate);
 
   // WebContentsView implementation --------------------------------------------
 
   virtual void CreateView(const gfx::Size& initial_size) OVERRIDE;
-  virtual RenderWidgetHostView* CreateViewForWidget(
+  virtual content::RenderWidgetHostView* CreateViewForWidget(
       RenderWidgetHost* render_widget_host) OVERRIDE;
 
   virtual gfx::NativeView GetNativeView() const OVERRIDE;
   virtual gfx::NativeView GetContentNativeView() const OVERRIDE;
   virtual gfx::NativeWindow GetTopLevelNativeWindow() const OVERRIDE;
   virtual void GetContainerBounds(gfx::Rect* out) const OVERRIDE;
   virtual void SetPageTitle(const string16& title) OVERRIDE;
   virtual void OnTabCrashed(base::TerminationStatus status,
                             int error_code) OVERRIDE;
   virtual void SizeContents(const gfx::Size& size) OVERRIDE;
@@ skipping 92 matching lines @@
   // The overlaid view. Owned by the caller of |InstallOverlayView|; this is a
   // weak reference.
   GtkWidget* overlaid_view_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsViewGtk);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_