DevTools: FrameRecorder: add cancelRecordingFrames command

content/browser/devtools/protocol/page_handler.cc

Index: content/browser/devtools/protocol/page_handler.cc
diff --git a/content/browser/devtools/protocol/page_handler.cc b/content/browser/devtools/protocol/page_handler.cc
index 84b6b103aa468aa755471c35aa317b664197d7ee..127a797829275c6aa86e9082b0fffc50027c1541 100644
--- a/content/browser/devtools/protocol/page_handler.cc
+++ b/content/browser/devtools/protocol/page_handler.cc
@@ -415,6 +415,10 @@ Response PageHandler::StopRecordingFrames(DevToolsCommandId command_id) {
       &PageHandler::OnFramesRecorded, base::Unretained(this), command_id));
 }
 
+Response PageHandler::CancelRecordingFrames() {
+  return frame_recorder_->CancelRecordingFrames();
+}
+
 Response PageHandler::ScreencastFrameAck(int frame_number) {
   screencast_frame_acked_ = frame_number;
   return Response::OK();