Factor common code into native_viewport_controller.cc

mojo/services/native_viewport/native_viewport_android.h

Index: mojo/services/native_viewport/native_viewport_android.h
diff --git a/mojo/services/native_viewport/native_viewport_android.h b/mojo/services/native_viewport/native_viewport_android.h
index f1600cb653ff607e018217b9477d86a053ef5185..d2b1f1f3226a24eb7a633d6faad14ce47e6c06be 100644
--- a/mojo/services/native_viewport/native_viewport_android.h
+++ b/mojo/services/native_viewport/native_viewport_android.h
@@ -7,11 +7,6 @@
 
 #include "base/memory/weak_ptr.h"
 #include "mojo/services/native_viewport/native_viewport.h"
-#include "ui/gfx/size.h"
-
-namespace gpu {
-class GLInProcessContext;
-}
 
 struct ANativeWindow;
 
@@ -35,14 +30,8 @@ class NativeViewportAndroid : public NativeViewport {
   // Overridden from NativeViewport:
   virtual void Close() OVERRIDE;
 
-  void OnGLContextLost();
   void ReleaseWindow();
 
-  NativeViewportDelegate* delegate_;
-  ANativeWindow* window_;
-  gfx::Size size_;
-  scoped_ptr<gpu::GLInProcessContext> gl_context_;
-
   base::WeakPtrFactory<NativeViewportAndroid> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeViewportAndroid);