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

chrome/browser/storage_monitor/storage_info.h

Index: chrome/browser/storage_monitor/storage_info.h
diff --git a/chrome/browser/storage_monitor/storage_info.h b/chrome/browser/storage_monitor/storage_info.h
index 907b2a98b3f74781d1e77857e9aeace599cf8522..56f9d525559a073154233295f27cdcb0ff97c927 100644
--- a/chrome/browser/storage_monitor/storage_info.h
+++ b/chrome/browser/storage_monitor/storage_info.h
@@ -8,8 +8,6 @@
 #include "base/files/file_path.h"
 #include "base/strings/string16.h"
 
-namespace chrome {
-
 struct StorageInfo {
  public:
   enum Type {
@@ -110,6 +108,4 @@ struct StorageInfo {
   uint64 total_size_in_bytes_;
 };
 
-}  // namespace chrome
-
 #endif  // CHROME_BROWSER_STORAGE_MONITOR_STORAGE_INFO_H_