DevTools: Fix for Page.captureScreenshot

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index b6542ffbd6a27e3a63ea96e4858bb8f0a758a83b..1f1b8b1c3451175367e78a4f2a2bb7f36477dacf 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -1130,6 +1130,7 @@ bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
                         OnReleaseDisambiguationPopupBitmap)
     IPC_MESSAGE_HANDLER(ViewMsg_WindowSnapshotCompleted,
                         OnWindowSnapshotCompleted)
+    IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
@@ -1350,6 +1351,19 @@ void RenderViewImpl::GetWindowSnapshot(const WindowSnapshotCallback& callback) {
   int id = next_snapshot_id_++;
   pending_snapshots_.insert(std::make_pair(id, callback));
   ui::LatencyInfo latency_info;
+  latency_info.AddLatencyNumber(ui::WINDOW_OLD_SNAPSHOT_FRAME_NUMBER_COMPONENT,
+                                0,
+                                id);
+  scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
+  if (RenderWidgetCompositor* rwc = compositor()) {
+    latency_info_swap_promise_monitor =
+        rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
+  }
+  ScheduleCompositeWithForcedRedraw();
+}
+
+void RenderViewImpl::OnForceRedraw(int id) {
+  ui::LatencyInfo latency_info;
   latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
                                 0,
                                 id);