Move more files into the content namespace.

content/browser/renderer_host/backing_store_win.h

Index: content/browser/renderer_host/backing_store_win.h
===================================================================
--- content/browser/renderer_host/backing_store_win.h	(revision 147462)
+++ content/browser/renderer_host/backing_store_win.h	(working copy)
@@ -11,9 +11,11 @@
 #include "base/compiler_specific.h"
 #include "content/browser/renderer_host/backing_store.h"
 
+namespace content {
+
 class BackingStoreWin : public BackingStore {
  public:
-  BackingStoreWin(content::RenderWidgetHost* widget, const gfx::Size& size);
+  BackingStoreWin(RenderWidgetHost* widget, const gfx::Size& size);
   virtual ~BackingStoreWin();
 
   HDC hdc() { return hdc_; }
@@ -24,7 +26,7 @@
   // BackingStore implementation.
   virtual size_t MemorySize() OVERRIDE;
   virtual void PaintToBackingStore(
-      content::RenderProcessHost* process,
+      RenderProcessHost* process,
       TransportDIB::Id bitmap,
       const gfx::Rect& bitmap_rect,
       const std::vector<gfx::Rect>& copy_rects,
@@ -53,4 +55,6 @@
   DISALLOW_COPY_AND_ASSIGN(BackingStoreWin);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_WIN_H_