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

content/browser/renderer_host/backing_store_manager.h

Index: content/browser/renderer_host/backing_store_manager.h
diff --git a/content/browser/renderer_host/backing_store_manager.h b/content/browser/renderer_host/backing_store_manager.h
index ba9e5b75fbb5cfad885c78798171fbec18176da3..00f11e1dcf115ea1e940e47e2bd629f99e3453b4 100644
--- a/content/browser/renderer_host/backing_store_manager.h
+++ b/content/browser/renderer_host/backing_store_manager.h
@@ -16,7 +16,10 @@
 #include "ui/gfx/surface/transport_dib.h"
 
 class BackingStore;
+
+namespace content {
 class RenderWidgetHost;
+}
 
 // This class manages backing stores in the browsr. Every RenderWidgetHost is
 // associated with a backing store which it requests from this class.  The
@@ -29,7 +32,7 @@ class BackingStoreManager {
   // backing_store_rect
   //   The desired backing store dimensions.
   // Returns a pointer to the backing store on success, NULL on failure.
-  static BackingStore* GetBackingStore(RenderWidgetHost* host,
+  static BackingStore* GetBackingStore(content::RenderWidgetHost* host,
                                        const gfx::Size& desired_size);
 
   // Makes a backing store which is fully ready for consumption, i.e. the
@@ -45,7 +48,7 @@ class BackingStoreManager {
   //   Set if we need to send out a request to paint the view
   //   to the renderer.
   static void PrepareBackingStore(
-      RenderWidgetHost* host,
+      content::RenderWidgetHost* host,
       const gfx::Size& backing_store_size,
       TransportDIB::Id bitmap,
       const gfx::Rect& bitmap_rect,
@@ -56,10 +59,10 @@ class BackingStoreManager {
 
   // Returns a matching backing store for the host.
   // Returns NULL if we fail to find one.
-  static BackingStore* Lookup(RenderWidgetHost* host);
+  static BackingStore* Lookup(content::RenderWidgetHost* host);
 
   // Removes the backing store for the host.
-  static void RemoveBackingStore(RenderWidgetHost* host);
+  static void RemoveBackingStore(content::RenderWidgetHost* host);
 
   // Removes all backing stores.
   static void RemoveAllBackingStores();