Moves device_orientation to content namespace

content/browser/device_orientation/message_filter.h

Index: content/browser/device_orientation/message_filter.h
diff --git a/content/browser/device_orientation/message_filter.h b/content/browser/device_orientation/message_filter.h
index 30e669804fc6ec0a467154ea218f5c55edde7579..cf96ed476ea811a448caabac4c17e8323414789f 100644
--- a/content/browser/device_orientation/message_filter.h
+++ b/content/browser/device_orientation/message_filter.h
@@ -10,7 +10,7 @@
 #include "content/browser/device_orientation/device_data.h"
 #include "content/public/browser/browser_message_filter.h"
 
-namespace device_orientation {
+namespace content {
 
 // Helper class that observes a Provider and forwards updates to a RenderView.
 class ObserverDelegate;
@@ -39,6 +39,6 @@ class MessageFilter : public content::BrowserMessageFilter {
   DeviceData::Type device_data_type_;
 };
 
-}  // namespace device_orientation
+}  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVICE_ORIENTATION_MESSAGE_FILTER_H_