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

chrome/browser/storage_monitor/transient_device_ids.h

Index: chrome/browser/storage_monitor/transient_device_ids.h
diff --git a/chrome/browser/storage_monitor/transient_device_ids.h b/chrome/browser/storage_monitor/transient_device_ids.h
index cf6396f0018f65bc685624e9f1de708571676177..a0c9a82b2e078c5bf545d2e28915ec0063e85b14 100644
--- a/chrome/browser/storage_monitor/transient_device_ids.h
+++ b/chrome/browser/storage_monitor/transient_device_ids.h
@@ -16,8 +16,6 @@
 #include "base/basictypes.h"
 #include "base/threading/thread_checker.h"
 
-namespace chrome {
-
 class TransientDeviceIds {
  public:
   TransientDeviceIds();
@@ -44,6 +42,4 @@ class TransientDeviceIds {
   DISALLOW_COPY_AND_ASSIGN(TransientDeviceIds);
 };
 
-}  // namespace chrome
-
 #endif  // CHROME_BROWSER_STORAGE_MONITOR_TRANSIENT_DEVICE_IDS_H_