Force swap buffers when re-creating the buffers

cc/surfaces/display.cc

 // Copyright 2014 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/surfaces/display.h"
 
 #include "base/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 258 matching lines @@
 }
 
 void Display::SetMemoryPolicy(const ManagedMemoryPolicy& policy) {
   client_->SetMemoryPolicy(policy);
 }
 
 void Display::OnDraw() {
   NOTREACHED();
 }
 
+void Display::ForceSwap() {
+  aggregator_->SetFullDamageForSurface(current_surface_id_);

[jbauman, 2015/09/10 19:29:50]

This won't actually force a swap immediately, it just ensures that the next time
there is a swap that it'll redraw the entire surface. You also need to do

if (scheduler_)
  scheduler_->SurfaceDamaged(current_surface_id_);

[dnicoara, 2015/09/10 19:39:39]

Done.

+}
+
 void Display::SetNeedsRedrawRect(const gfx::Rect& damage_rect) {
   NOTREACHED();
 }
 
 void Display::ReclaimResources(const CompositorFrameAck* ack) {
   NOTREACHED();
 }
 
 void Display::SetExternalDrawConstraints(
     const gfx::Transform& transform,
@@ skipping 36 matching lines @@
 
   if (surface_id == current_surface_id_)
     UpdateRootSurfaceResourcesLocked();
 }
 
 SurfaceId Display::CurrentSurfaceId() {
   return current_surface_id_;
 }
 
 }  // namespace cc