Adding status to swap complete

ui/gl/gl_surface.cc

Index: ui/gl/gl_surface.cc
diff --git a/ui/gl/gl_surface.cc b/ui/gl/gl_surface.cc
index 47690924fa7d4f06da4cc1f033f23823126b8ddb..8a60ca5477d5e7722cc7c5be5c87b040382b19ad 100644
--- a/ui/gl/gl_surface.cc
+++ b/ui/gl/gl_surface.cc
@@ -12,6 +12,7 @@
 #include "base/logging.h"
 #include "base/threading/thread_local.h"
 #include "base/trace_event/trace_event.h"
+#include "ui/gfx/swap_result.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_switches.h"
@@ -194,13 +195,13 @@ unsigned int GLSurface::GetBackingFrameBufferObject() {
 
 bool GLSurface::SwapBuffersAsync(const SwapCompletionCallback& callback) {
   DCHECK(!IsSurfaceless());
-  bool success = SwapBuffers();
-  callback.Run();
-  return success;
+  gfx::SwapResult result = SwapBuffers();
+  callback.Run(result);
+  return result == gfx::SwapResult::SWAP_ACK;
 }
 
-bool GLSurface::PostSubBuffer(int x, int y, int width, int height) {
-  return false;
+gfx::SwapResult GLSurface::PostSubBuffer(int x, int y, int width, int height) {
+  return gfx::SwapResult::SWAP_FAILED;
 }
 
 bool GLSurface::PostSubBufferAsync(int x,
@@ -208,9 +209,9 @@ bool GLSurface::PostSubBufferAsync(int x,
                                    int width,
                                    int height,
                                    const SwapCompletionCallback& callback) {
-  bool success = PostSubBuffer(x, y, width, height);
-  callback.Run();
-  return success;
+  gfx::SwapResult result = PostSubBuffer(x, y, width, height);
+  callback.Run(result);
+  return result == gfx::SwapResult::SWAP_ACK;
 }
 
 bool GLSurface::OnMakeCurrent(GLContext* context) {
@@ -319,7 +320,7 @@ bool GLSurfaceAdapter::IsOffscreen() {
   return surface_->IsOffscreen();
 }
 
-bool GLSurfaceAdapter::SwapBuffers() {
+gfx::SwapResult GLSurfaceAdapter::SwapBuffers() {
   return surface_->SwapBuffers();
 }
 
@@ -328,7 +329,10 @@ bool GLSurfaceAdapter::SwapBuffersAsync(
   return surface_->SwapBuffersAsync(callback);
 }
 
-bool GLSurfaceAdapter::PostSubBuffer(int x, int y, int width, int height) {
+gfx::SwapResult GLSurfaceAdapter::PostSubBuffer(int x,
+                                                int y,
+                                                int width,
+                                                int height) {
   return surface_->PostSubBuffer(x, y, width, height);
 }