Adding status to swap complete

ui/gl/gl_surface_egl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gl/gl_surface_egl.h"
 
 #if defined(OS_ANDROID)
 #include <android/native_window_jni.h>
 #endif
 
@@ skipping 643 matching lines @@
     }
   }
   return config_;
 #endif
 }
 
 bool NativeViewGLSurfaceEGL::IsOffscreen() {
   return false;
 }
 
-bool NativeViewGLSurfaceEGL::SwapBuffers() {
+gfx::SwapResult NativeViewGLSurfaceEGL::SwapBuffers() {
   TRACE_EVENT2("gpu", "NativeViewGLSurfaceEGL:RealSwapBuffers",
       "width", GetSize().width(),
       "height", GetSize().height());
 
 #if defined(OS_WIN)
   if (swap_interval_ != 0) {
     // This code is a simple way of enforcing that we only vsync if one surface
     // is swapping per frame. This provides single window cases a stable refresh
     // while allowing multi-window cases to not slow down due to multiple syncs
     // on a single thread. A better way to fix this problem would be to have
@@ skipping 22 matching lines @@
       vsync_override_ = false;
     }
 
     swaps_this_generation_++;
   }
 #endif
 
   if (!eglSwapBuffers(GetDisplay(), surface_)) {
     DVLOG(1) << "eglSwapBuffers failed with error "
              << GetLastEGLErrorString();
-    return false;
+    return gfx::SwapResult::SWAP_FAILED;
   }
 
-  return true;
+  return gfx::SwapResult::SWAP_ACK;
 }
 
 gfx::Size NativeViewGLSurfaceEGL::GetSize() {
   EGLint width;
   EGLint height;
   if (!eglQuerySurface(GetDisplay(), surface_, EGL_WIDTH, &width) ||
       !eglQuerySurface(GetDisplay(), surface_, EGL_HEIGHT, &height)) {
     NOTREACHED() << "eglQuerySurface failed with error "
                  << GetLastEGLErrorString();
     return gfx::Size();
@@ skipping 38 matching lines @@
 }
 
 EGLSurface NativeViewGLSurfaceEGL::GetHandle() {
   return surface_;
 }
 
 bool NativeViewGLSurfaceEGL::SupportsPostSubBuffer() {
   return supports_post_sub_buffer_;
 }
 
-bool NativeViewGLSurfaceEGL::PostSubBuffer(
-    int x, int y, int width, int height) {
+gfx::SwapResult NativeViewGLSurfaceEGL::PostSubBuffer(int x,
+                                                      int y,
+                                                      int width,
+                                                      int height) {
   DCHECK(supports_post_sub_buffer_);
   if (!eglPostSubBufferNV(GetDisplay(), surface_, x, y, width, height)) {
     DVLOG(1) << "eglPostSubBufferNV failed with error "
              << GetLastEGLErrorString();
-    return false;
+    return gfx::SwapResult::SWAP_FAILED;
   }
-  return true;
+  return gfx::SwapResult::SWAP_ACK;
 }
 
 VSyncProvider* NativeViewGLSurfaceEGL::GetVSyncProvider() {
   return vsync_provider_.get();
 }
 
 void NativeViewGLSurfaceEGL::OnSetSwapInterval(int interval) {
   swap_interval_ = interval;
 }
 
@@ skipping 60 matching lines @@
 }
 
 EGLConfig PbufferGLSurfaceEGL::GetConfig() {
   return g_config;
 }
 
 bool PbufferGLSurfaceEGL::IsOffscreen() {
   return true;
 }
 
-bool PbufferGLSurfaceEGL::SwapBuffers() {
+gfx::SwapResult PbufferGLSurfaceEGL::SwapBuffers() {
   NOTREACHED() << "Attempted to call SwapBuffers on a PbufferGLSurfaceEGL.";
-  return false;
+  return gfx::SwapResult::SWAP_FAILED;
 }
 
 gfx::Size PbufferGLSurfaceEGL::GetSize() {
   return size_;
 }
 
 bool PbufferGLSurfaceEGL::Resize(const gfx::Size& size) {
   if (size == size_)
     return true;
 
@@ skipping 63 matching lines @@
 }
 
 bool SurfacelessEGL::IsOffscreen() {
   return true;
 }
 
 bool SurfacelessEGL::IsSurfaceless() const {
   return true;
 }
 
-bool SurfacelessEGL::SwapBuffers() {
+gfx::SwapResult SurfacelessEGL::SwapBuffers() {
   LOG(ERROR) << "Attempted to call SwapBuffers with SurfacelessEGL.";
-  return false;
+  return gfx::SwapResult::SWAP_FAILED;
 }
 
 gfx::Size SurfacelessEGL::GetSize() {
   return size_;
 }
 
 bool SurfacelessEGL::Resize(const gfx::Size& size) {
   size_ = size;
   return true;
 }
 
 EGLSurface SurfacelessEGL::GetHandle() {
   return EGL_NO_SURFACE;
 }
 
 void* SurfacelessEGL::GetShareHandle() {
   return NULL;
 }
 
 SurfacelessEGL::~SurfacelessEGL() {
 }
 
 }  // namespace gfx