Moves device_orientation to content namespace

content/browser/device_orientation/orientation_message_filter.h

Index: content/browser/device_orientation/orientation_message_filter.h
diff --git a/content/browser/device_orientation/orientation_message_filter.h b/content/browser/device_orientation/orientation_message_filter.h
index 736642260a19f8701a0e7c43b1113c6b6c23829e..de0df5624a09c786d5e04f62a1cecec6cda03d49 100644
--- a/content/browser/device_orientation/orientation_message_filter.h
+++ b/content/browser/device_orientation/orientation_message_filter.h
@@ -9,7 +9,7 @@
 
 #include "content/browser/device_orientation/message_filter.h"
 
-namespace device_orientation {
+namespace content {
 
 class OrientationMessageFilter : public MessageFilter {
  public:
@@ -25,6 +25,6 @@ class OrientationMessageFilter : public MessageFilter {
   DISALLOW_COPY_AND_ASSIGN(OrientationMessageFilter);
 };
 
-}  // namespace device_orientation
+}  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVICE_ORIENTATION_ORIENTATION_MESSAGE_FILTER_H_