Ozone: Dont hardcode format to YUV when using Overlay Composition.

ui/ozone/platform/drm/gpu/drm_thread.cc

 // Copyright 2015 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 "ui/ozone/platform/drm/gpu/drm_thread.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/macros.h"
@@ skipping 93 matching lines @@
       static_cast<GbmDevice*>(device_manager_->GetDrmDevice(widget).get());
   DCHECK(gbm);
   *buffer = GbmBuffer::CreateBuffer(gbm, format, size, usage);
 }
 
 void DrmThread::SchedulePageFlip(gfx::AcceleratedWidget widget,
                                  const std::vector<OverlayPlane>& planes,
                                  const SwapCompletionCallback& callback) {
   DrmWindow* window = screen_manager_->GetWindow(widget);
   if (window)
-    window->SchedulePageFlip(planes, callback);
+    window->SchedulePageFlip(planes, callback, buffer_generator_.get());

[dnicoara, 2016/01/13 17:26:51]

Looking over the change and I'm thinking that the buffer_generator_ should just
be passed in the constructor. There's no reason we need it passed in on every
call.

[kalyank, 2016/01/13 19:52:33]

Done.

   else
     callback.Run(gfx::SwapResult::SWAP_ACK);
 }
 
 void DrmThread::GetVSyncParameters(
     gfx::AcceleratedWidget widget,
     const gfx::VSyncProvider::UpdateVSyncCallback& callback) {
   DrmWindow* window = screen_manager_->GetWindow(widget);
   // No need to call the callback if there isn't a window since the vsync
   // provider doesn't require the callback to be called if there isn't a vsync
@@ skipping 95 matching lines @@
     const base::Callback<void(int64_t, bool)>& callback) {
   callback.Run(display_id, display_manager_->SetHDCPState(display_id, state));
 }
 
 void DrmThread::SetGammaRamp(int64_t id,
                              const std::vector<GammaRampRGBEntry>& lut) {
   display_manager_->SetGammaRamp(id, lut);
 }
 
 }  // namespace ui