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

chrome/browser/storage_monitor/test_storage_monitor.cc

Index: chrome/browser/storage_monitor/test_storage_monitor.cc
diff --git a/chrome/browser/storage_monitor/test_storage_monitor.cc b/chrome/browser/storage_monitor/test_storage_monitor.cc
index 5967f9af3f64eb5e4a2424303e8bb052f94b8664..5ae4698f143dd5fa394212bff27b2e9584e11911 100644
--- a/chrome/browser/storage_monitor/test_storage_monitor.cc
+++ b/chrome/browser/storage_monitor/test_storage_monitor.cc
@@ -16,9 +16,6 @@
 #include "device/media_transfer_protocol/media_transfer_protocol_manager.h"
 #endif
 
-namespace chrome {
-namespace test {
-
 TestStorageMonitor::TestStorageMonitor()
     : StorageMonitor(),
       init_called_(false) {
@@ -131,6 +128,3 @@ void TestStorageMonitor::EjectDevice(
   ejected_device_ = device_id;
   callback.Run(EJECT_OK);
 }
-
-}  // namespace test
-}  // namespace chrome