[Media Galleries] Move RemovableStorageInfo notifications to chrome namespace (part 2)

base/test/mock_devices_changed_observer.h

Index: base/test/mock_devices_changed_observer.h
diff --git a/base/test/mock_devices_changed_observer.h b/base/test/mock_devices_changed_observer.h
index 1d0f3dd01a8382e706b38eecc530e5f344879bef..3ada16b8d4e5e5a3bc1920313d2cb6f33ccc2700 100644
--- a/base/test/mock_devices_changed_observer.h
+++ b/base/test/mock_devices_changed_observer.h
@@ -20,11 +20,6 @@ class MockDevicesChangedObserver
 
   MOCK_METHOD1(OnDevicesChanged,
                void(base::SystemMonitor::DeviceType device_type));
-  MOCK_METHOD3(OnRemovableStorageAttached,
-               void(const std::string& id,
-                    const string16& name,
-                    const FilePath::StringType& location));
-  MOCK_METHOD1(OnRemovableStorageDetached, void(const std::string& id));
 
   DISALLOW_COPY_AND_ASSIGN(MockDevicesChangedObserver);
 };