cc: Plumb device color space through to rasterization

ui/compositor/compositor.cc

 // Copyright (c) 2012 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/compositor/compositor.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <deque>
@@ skipping 322 matching lines @@
   }
   if (device_scale_factor_ != scale) {
     device_scale_factor_ = scale;
     host_->GetLayerTree()->SetDeviceScaleFactor(scale);
     if (root_layer_)
       root_layer_->OnDeviceScaleFactorChanged(scale);
   }
 }
 
 void Compositor::SetDisplayColorSpace(const gfx::ColorSpace& color_space) {
+  host_->GetLayerTree()->SetDeviceColorSpace(color_space);
   color_space_ = color_space;
   // Color space is reset when the output surface is lost, so this must also be
   // updated then.
   context_factory_->SetDisplayColorSpace(this, color_space_);
 }
 
 void Compositor::SetBackgroundColor(SkColor color) {
   host_->GetLayerTree()->set_background_color(color);
   ScheduleDraw();
 }
@@ skipping 198 matching lines @@
                     observer_list_,
                     OnCompositingLockStateChanged(this));
 }
 
 void Compositor::CancelCompositorLock() {
   if (compositor_lock_)
     compositor_lock_->CancelLock();
 }
 
 }  // namespace ui