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

chrome/browser/storage_monitor/volume_mount_watcher_win.h

Index: chrome/browser/storage_monitor/volume_mount_watcher_win.h
diff --git a/chrome/browser/storage_monitor/volume_mount_watcher_win.h b/chrome/browser/storage_monitor/volume_mount_watcher_win.h
index 72de81ac9b84abd6d15d171496fae8644b8d19c0..955221a4943c5f4208e8b6fa52b92e95c3b955f3 100644
--- a/chrome/browser/storage_monitor/volume_mount_watcher_win.h
+++ b/chrome/browser/storage_monitor/volume_mount_watcher_win.h
@@ -20,11 +20,7 @@
 #include "chrome/browser/storage_monitor/storage_info.h"
 #include "chrome/browser/storage_monitor/storage_monitor.h"
 
-namespace chrome {
-
-namespace test {
 class TestVolumeMountWatcherWin;
-}
 
 // This class watches the volume mount points and sends notifications to
 // StorageMonitor about the device attach/detach events.
@@ -96,7 +92,7 @@ class VolumeMountWatcherWin {
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
 
  private:
-  friend class test::TestVolumeMountWatcherWin;
+  friend class TestVolumeMountWatcherWin;
 
   // Key: Mass storage device mount point.
   // Value: Mass storage device metadata.
@@ -120,6 +116,4 @@ class VolumeMountWatcherWin {
   DISALLOW_COPY_AND_ASSIGN(VolumeMountWatcherWin);
 };
 
-}  // namespace chrome
-
 #endif  // CHROME_BROWSER_STORAGE_MONITOR_VOLUME_MOUNT_WATCHER_WIN_H_