Move core pieces of browser\renderer_host to src\content.

content/browser/renderer_host/backing_store_x.h

Index: content/browser/renderer_host/backing_store_x.h
===================================================================
--- content/browser/renderer_host/backing_store_x.h	(revision 0)
+++ content/browser/renderer_host/backing_store_x.h	(working copy)
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_X_H_
-#define CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_X_H_
+#ifndef CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_X_H_
+#define CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_X_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "build/build_config.h"
-#include "chrome/browser/renderer_host/backing_store.h"
+#include "content/browser/renderer_host/backing_store.h"
 #include "ui/base/x/x11_util.h"
 
 namespace gfx {
@@ -98,4 +98,4 @@
   DISALLOW_COPY_AND_ASSIGN(BackingStoreX);
 };
 
-#endif  // CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_X_H_
+#endif  // CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_X_H_