Make RenderViewImpl::OnForceRedraw more robust

cc/trees/latency_info_swap_promise_monitor.cc

 // Copyright 2013 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 "cc/trees/latency_info_swap_promise_monitor.h"
 
 #include <stdint.h>
 
 #include "base/threading/platform_thread.h"
 #include "cc/output/latency_info_swap_promise.h"
@@ skipping 41 matching lines @@
 }
 
 void LatencyInfoSwapPromiseMonitor::OnSetNeedsCommitOnMain() {
   if (AddRenderingScheduledComponent(latency_, true /* on_main */)) {
     std::unique_ptr<SwapPromise> swap_promise(
         new LatencyInfoSwapPromise(*latency_));
     layer_tree_host_->QueueSwapPromise(std::move(swap_promise));
   }
 }
 
+void LatencyInfoSwapPromiseMonitor::OnSetNeedsForcedRedrawOnMain() {
+  std::unique_ptr<SwapPromise> swap_promise(
+      new LatencyInfoSwapPromise(*latency_));
+  layer_tree_host_->QueueForcedRedrawSwapPromise(std::move(swap_promise));
+}
+
 void LatencyInfoSwapPromiseMonitor::OnSetNeedsRedrawOnImpl() {
   if (AddRenderingScheduledComponent(latency_, false /* on_main */)) {
     std::unique_ptr<SwapPromise> swap_promise(
         new LatencyInfoSwapPromise(*latency_));
     // Queue a pinned swap promise on the active tree. This will allow
     // measurement of the time to the next SwapBuffers(). The swap
     // promise is pinned so that it is not interrupted by new incoming
     // activations (which would otherwise break the swap promise).
     layer_tree_host_impl_->active_tree()->QueuePinnedSwapPromise(
         std::move(swap_promise));
@@ skipping 26 matching lines @@
         *latency_,
         ui::INPUT_EVENT_LATENCY_FORWARD_SCROLL_UPDATE_TO_MAIN_COMPONENT);
     std::unique_ptr<SwapPromise> swap_promise(
         new LatencyInfoSwapPromise(new_latency));
     layer_tree_host_impl_->QueueSwapPromiseForMainThreadScrollUpdate(
         std::move(swap_promise));
   }
 }
 
 }  // namespace cc