Move WebUIMessageHandler to its own file in the public directory and put it in the content namesp...

chrome/browser/ui/webui/quota_internals_handler.h

Index: chrome/browser/ui/webui/quota_internals_handler.h
===================================================================
--- chrome/browser/ui/webui/quota_internals_handler.h	(revision 116051)
+++ chrome/browser/ui/webui/quota_internals_handler.h	(working copy)
@@ -11,7 +11,7 @@
 #include <vector>
 
 #include "base/memory/ref_counted.h"
-#include "content/browser/webui/web_ui.h"
+#include "content/public/browser/web_ui_message_handler.h"
 #include "webkit/quota/quota_types.h"
 
 namespace base {
@@ -29,7 +29,7 @@
 
 // This class handles message from WebUI page of chrome://quota-internals/.
 // All methods in this class should be called on UI thread.
-class QuotaInternalsHandler : public WebUIMessageHandler {
+class QuotaInternalsHandler : public content::WebUIMessageHandler {
  public:
   QuotaInternalsHandler();
   virtual ~QuotaInternalsHandler();