Move BrowserMessageFilter to public, and into content namespace.

content/browser/renderer_host/clipboard_message_filter.h

Index: content/browser/renderer_host/clipboard_message_filter.h
diff --git a/content/browser/renderer_host/clipboard_message_filter.h b/content/browser/renderer_host/clipboard_message_filter.h
index 72169e0817fa30eadfefe9ea9445ad8c987d7020..8f548224c73b6b8be2acdce417a99e155ddf7cc5 100644
--- a/content/browser/renderer_host/clipboard_message_filter.h
+++ b/content/browser/renderer_host/clipboard_message_filter.h
@@ -9,12 +9,12 @@
 #include <vector>
 
 #include "base/basictypes.h"
-#include "content/browser/browser_message_filter.h"
+#include "content/public/browser/browser_message_filter.h"
 #include "ui/base/clipboard/clipboard.h"
 
 class GURL;
 
-class ClipboardMessageFilter : public BrowserMessageFilter {
+class ClipboardMessageFilter : public content::BrowserMessageFilter {
  public:
   ClipboardMessageFilter();