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..b7fcff4b67872e276b57f86b6d3d7ba3ebd10b84 100644
--- a/content/browser/devtools/protocol/page_handler.cc
+++ b/content/browser/devtools/protocol/page_handler.cc
@@ -410,9 +410,11 @@ Response PageHandler::StartRecordingFrames(int max_frame_count) {
   return frame_recorder_->StartRecordingFrames(max_frame_count);
 }
 
-Response PageHandler::StopRecordingFrames(DevToolsCommandId command_id) {
+Response PageHandler::StopRecordingFrames(
+    DevToolsCommandId command_id, const bool* cancel) {
   return frame_recorder_->StopRecordingFrames(base::Bind(
-      &PageHandler::OnFramesRecorded, base::Unretained(this), command_id));
+      &PageHandler::OnFramesRecorded, base::Unretained(this), command_id),
+      cancel && *cancel);
 }
 
 Response PageHandler::ScreencastFrameAck(int frame_number) {