Revert of Introduce components/display_compositor

content/browser/compositor/image_transport_factory.h

Index: content/browser/compositor/image_transport_factory.h
diff --git a/content/browser/compositor/image_transport_factory.h b/content/browser/compositor/image_transport_factory.h
index e95c8981682ceb816feef7c7c0663228d0571c54..8a398bd8afd55721c7c1ce470623d951e370f325 100644
--- a/content/browser/compositor/image_transport_factory.h
+++ b/content/browser/compositor/image_transport_factory.h
@@ -34,11 +34,8 @@
 class WebGraphicsContext3D;
 }
 
-namespace display_compositor {
+namespace content {
 class GLHelper;
-}
-
-namespace content {
 
 // This class provides a way to get notified when surface handles get lost.
 class CONTENT_EXPORT ImageTransportFactoryObserver {
@@ -84,7 +81,7 @@
   // Gets a GLHelper instance, associated with the shared context. This
   // GLHelper will get destroyed whenever the shared context is lost
   // (ImageTransportFactoryObserver::OnLostResources is called).
-  virtual display_compositor::GLHelper* GetGLHelper() = 0;
+  virtual GLHelper* GetGLHelper() = 0;
 
   virtual void AddObserver(ImageTransportFactoryObserver* observer) = 0;
   virtual void RemoveObserver(ImageTransportFactoryObserver* observer) = 0;