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

content/browser/renderer_host/backing_store_mac.h

Index: content/browser/renderer_host/backing_store_mac.h
===================================================================
--- content/browser/renderer_host/backing_store_mac.h	(revision 0)
+++ content/browser/renderer_host/backing_store_mac.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_MAC_H_
-#define CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_MAC_H_
+#ifndef CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_MAC_H_
+#define CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_MAC_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/mac/scoped_cftyperef.h"
-#include "chrome/browser/renderer_host/backing_store.h"
+#include "content/browser/renderer_host/backing_store.h"
 
 class BackingStoreMac : public BackingStore {
  public:
@@ -53,4 +53,4 @@
   DISALLOW_COPY_AND_ASSIGN(BackingStoreMac);
 };
 
-#endif  // CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_MAC_H_
+#endif  // CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_MAC_H_