Revert of Adding status to swap complete

content/common/gpu/image_transport_surface.h

Index: content/common/gpu/image_transport_surface.h
diff --git a/content/common/gpu/image_transport_surface.h b/content/common/gpu/image_transport_surface.h
index c0bceaba3e90f912d1a1dcff37ef8260c2e75cb1..d3f2e85adb74a92a85bf4ef7c7ef07b172fc9433 100644
--- a/content/common/gpu/image_transport_surface.h
+++ b/content/common/gpu/image_transport_surface.h
@@ -19,7 +19,6 @@
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/native_widget_types.h"
-#include "ui/gfx/swap_result.h"
 #include "ui/gl/gl_surface.h"
 
 struct AcceleratedSurfaceMsg_BufferPresented_Params;
@@ -176,8 +175,8 @@
   // GLSurface implementation.
   bool Initialize() override;
   void Destroy() override;
-  gfx::SwapResult SwapBuffers() override;
-  gfx::SwapResult PostSubBuffer(int x, int y, int width, int height) override;
+  bool SwapBuffers() override;
+  bool PostSubBuffer(int x, int y, int width, int height) override;
   bool OnMakeCurrent(gfx::GLContext* context) override;
 
   // ImageTransportSurface implementation.
@@ -197,8 +196,7 @@
   // If updated vsync parameters can be determined, send this information to
   // the browser.
   virtual void SendVSyncUpdateIfAvailable();
-  void SwapBuffersCallBack(std::vector<ui::LatencyInfo>* latency_info_ptr,
-                           gfx::SwapResult result);
+  void SwapBuffersCallBack(std::vector<ui::LatencyInfo>* latency_info_ptr);
 
   ImageTransportHelper* GetHelper() { return helper_.get(); }