Support error handling for Surface readbacks

content/browser/media/capture/web_contents_video_capture_device.cc

Index: content/browser/media/capture/web_contents_video_capture_device.cc
diff --git a/content/browser/media/capture/web_contents_video_capture_device.cc b/content/browser/media/capture/web_contents_video_capture_device.cc
index 4a931fc54b0c150ed9b4a1f11ed03a4f65862c4d..15ba3913e20ed562a7957e8633c86537fb76fef2 100644
--- a/content/browser/media/capture/web_contents_video_capture_device.cc
+++ b/content/browser/media/capture/web_contents_video_capture_device.cc
@@ -258,8 +258,8 @@ class WebContentsCaptureMachine : public VideoCaptureMachine {
       const scoped_refptr<media::VideoFrame>& target,
       const RenderWidgetHostViewFrameSubscriber::DeliverFrameCallback&
           deliver_frame_cb,
-      bool success,
-      const SkBitmap& bitmap);
+      const SkBitmap& bitmap,
+      const ReadbackResponse& response);
 
   // Response callback for RWHVP::CopyFromCompositingSurfaceToVideoFrame().
   void DidCopyFromCompositingSurfaceToVideoFrame(
@@ -686,13 +686,13 @@ void WebContentsCaptureMachine::DidCopyFromBackingStore(
     const scoped_refptr<media::VideoFrame>& target,
     const RenderWidgetHostViewFrameSubscriber::DeliverFrameCallback&
         deliver_frame_cb,
-    bool success,
-    const SkBitmap& bitmap) {
+    const SkBitmap& bitmap,
+    const ReadbackResponse& response) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   base::TimeTicks now = base::TimeTicks::Now();
   DCHECK(render_thread_.get());
-  if (success) {
+  if (response == READBACK_SUCCESS) {
     UMA_HISTOGRAM_TIMES("TabCapture.CopyTimeBitmap", now - start_time);
     TRACE_EVENT_ASYNC_STEP_INTO0("mirroring", "Capture", target.get(),
                                  "Render");