Cleanup: Remove chrome namespace for storage monitor and media galleries.

chrome/browser/storage_monitor/mock_removable_storage_observer.h

 // Copyright (c) 2013 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 CHROME_BROWSER_STORAGE_MONITOR_MOCK_REMOVABLE_STORAGE_OBSERVER_H_
 #define CHROME_BROWSER_STORAGE_MONITOR_MOCK_REMOVABLE_STORAGE_OBSERVER_H_
 
 #include "chrome/browser/storage_monitor/removable_storage_observer.h"
 #include "chrome/browser/storage_monitor/storage_info.h"
 
-namespace chrome {
-
 class MockRemovableStorageObserver : public RemovableStorageObserver {
  public:
   MockRemovableStorageObserver();
   virtual ~MockRemovableStorageObserver();
 
   virtual void OnRemovableStorageAttached(const StorageInfo& info) OVERRIDE;
 
   virtual void OnRemovableStorageDetached(const StorageInfo& info) OVERRIDE;
 
   int attach_calls() { return attach_calls_; }
 
   int detach_calls() { return detach_calls_; }
 
   const StorageInfo& last_attached() {
     return last_attached_;
   }
 
   const StorageInfo& last_detached() {
     return last_detached_;
   }
 
  private:
   int attach_calls_;
   int detach_calls_;
   StorageInfo last_attached_;
   StorageInfo last_detached_;
 };
 
-}  // namespace chrome
-
 #endif  // CHROME_BROWSER_STORAGE_MONITOR_MOCK_REMOVABLE_STORAGE_OBSERVER_H_