Move QuotaPermissionContext to content/public/browser and put it in the content namespace.

content/browser/renderer_host/quota_dispatcher_host.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_QUOTA_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_QUOTA_DISPATCHER_HOST_H_
 
 #include "base/basictypes.h"
 #include "base/id_map.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "webkit/quota/quota_types.h"
 
 class GURL;
 
+namespace content {
+class QuotaPermissionContext;
+}
+
 namespace IPC {
 class Message;
 }
 
 namespace quota {
 class QuotaManager;
 }
 
-class QuotaPermissionContext;
-
 class QuotaDispatcherHost : public content::BrowserMessageFilter {
  public:
   QuotaDispatcherHost(int process_id,
                       quota::QuotaManager* quota_manager,
-                      QuotaPermissionContext* permission_context);
+                      content::QuotaPermissionContext* permission_context);
   virtual ~QuotaDispatcherHost();
   virtual bool OnMessageReceived(const IPC::Message& message,
                                  bool* message_was_ok) OVERRIDE;
 
  private:
   class RequestDispatcher;
   class QueryUsageAndQuotaDispatcher;
   class RequestQuotaDispatcher;
 
   void OnQueryStorageUsageAndQuota(
       int request_id,
       const GURL& origin_url,
       quota::StorageType type);
   void OnRequestStorageQuota(
       int render_view_id,
       int request_id,
       const GURL& origin_url,
       quota::StorageType type,
       int64 requested_size);
 
   // The ID of this process.
   int process_id_;
 
   quota::QuotaManager* quota_manager_;
-  scoped_refptr<QuotaPermissionContext> permission_context_;
+  scoped_refptr<content::QuotaPermissionContext> permission_context_;
 
   IDMap<RequestDispatcher, IDMapOwnPointer> outstanding_requests_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(QuotaDispatcherHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_QUOTA_DISPATCHER_HOST_H_