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

chrome/browser/storage_monitor/mtab_watcher_linux.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.
 
 // MtabWatcherLinux listens for mount point changes from a mtab file and
 // notifies a StorageMonitorLinux about them.
 // MtabWatcherLinux lives on the FILE thread.
 
 #ifndef CHROME_BROWSER_STORAGE_MONITOR_MTAB_WATCHER_LINUX_H_
 #define CHROME_BROWSER_STORAGE_MONITOR_MTAB_WATCHER_LINUX_H_
 
 #if defined(OS_CHROMEOS)
 #error "ChromeOS does not use MtabWatcherLinux."
 #endif
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/files/file_path_watcher.h"
 #include "base/memory/weak_ptr.h"
 
-namespace chrome {
-
 class MtabWatcherLinux {
  public:
   // (mount point, mount device)
   // A mapping from mount point to mount device, as extracted from the mtab
   // file.
   typedef std::map<base::FilePath, base::FilePath> MountPointDeviceMap;
 
   class Delegate {
    public:
     virtual ~Delegate() {}
@@ skipping 19 matching lines @@
   // Watcher for |mtab_path_|.
   base::FilePathWatcher file_watcher_;
 
   base::WeakPtr<Delegate> delegate_;
 
   base::WeakPtrFactory<MtabWatcherLinux> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MtabWatcherLinux);
 };
 
-}  // namespace chrome
-
 #endif  // CHROME_BROWSER_STORAGE_MONITOR_MTAB_WATCHER_LINUX_H_