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

chrome/browser/media_galleries/win/mtp_device_object_entry.h

Index: chrome/browser/media_galleries/win/mtp_device_object_entry.h
diff --git a/chrome/browser/media_galleries/win/mtp_device_object_entry.h b/chrome/browser/media_galleries/win/mtp_device_object_entry.h
index e9a5e645d0db79205fa7bbd2078ddcb3b0484b96..775e43baab0c5b56841200d6ecc727906c6a8903 100644
--- a/chrome/browser/media_galleries/win/mtp_device_object_entry.h
+++ b/chrome/browser/media_galleries/win/mtp_device_object_entry.h
@@ -11,8 +11,6 @@
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 
-namespace chrome {
-
 // MTPDeviceObjectEntry contains the media transfer protocol device object
 // property values that are obtained using
 // IPortableDeviceProperties::GetValues().
@@ -43,6 +41,4 @@ struct MTPDeviceObjectEntry {
 
 typedef std::vector<MTPDeviceObjectEntry> MTPDeviceObjectEntries;
 
-}  // namespace chrome
-
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_OBJECT_ENTRY_H_