Move storage quota unit tests and test doubles next to the files they cover.

storage/browser/test/mock_quota_manager_proxy.h

 // Copyright 2014 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_QUOTA_MOCK_QUOTA_MANAGER_PROXY_H_
 #define CONTENT_BROWSER_QUOTA_MOCK_QUOTA_MANAGER_PROXY_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
-#include "content/browser/quota/mock_quota_manager.h"
 #include "storage/browser/quota/quota_client.h"
 #include "storage/browser/quota/quota_manager_proxy.h"
+#include "storage/browser/test/mock_quota_manager.h"
 #include "storage/common/quota/quota_types.h"
 #include "url/gurl.h"
 
 using storage::QuotaManagerProxy;
 
 namespace content {
 
 class MockQuotaManager;
 
 class MockQuotaManagerProxy : public QuotaManagerProxy {
@@ skipping 57 matching lines @@
   int64_t last_notified_delta_;
 
   QuotaClient* registered_client_;
 
   DISALLOW_COPY_AND_ASSIGN(MockQuotaManagerProxy);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_QUOTA_MOCK_QUOTA_MANAGER_PROXY_H_