cc: Plumb device color space through to rasterization

cc/trees/layer_tree.h

 // Copyright 2016 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.
 
 #ifndef CC_TREES_LAYER_TREE_H_
 #define CC_TREES_LAYER_TREE_H_
 
 #include <memory>
 #include <unordered_map>
 #include <unordered_set>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "cc/base/cc_export.h"
 #include "cc/input/event_listener_properties.h"
 #include "cc/input/layer_selection_bound.h"
 #include "cc/layers/layer_collections.h"
 #include "cc/layers/layer_list_iterator.h"
 #include "cc/trees/mutator_host_client.h"
 #include "cc/trees/property_tree.h"
 #include "third_party/skia/include/core/SkColor.h"
+#include "ui/gfx/color_space.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace base {
 class TimeDelta;
 }  // namespace base
 
 namespace cc {
 
 namespace proto {
 class LayerTree;
@@ skipping 77 matching lines @@
                                bool use_anchor,
                                float scale,
                                base::TimeDelta duration);
   bool HasPendingPageScaleAnimation() const;
 
   void SetDeviceScaleFactor(float device_scale_factor);
   float device_scale_factor() const { return inputs_.device_scale_factor; }
 
   void SetPaintedDeviceScaleFactor(float painted_device_scale_factor);
 
+  void SetDeviceColorSpace(const gfx::ColorSpace& device_color_space);
+  const gfx::ColorSpace& device_color_space() const {
+    return inputs_.device_color_space;
+  }
+
   // Used externally by blink for setting the PropertyTrees when
   // |settings_.use_layer_lists| is true. This is a SPV2 setting.
   PropertyTrees* property_trees() { return &property_trees_; }
 
   void SetNeedsDisplayOnAllLayers();
 
   UIResourceManager* GetUIResourceManager() const;
   const LayerTreeSettings& GetSettings() const;
 
   // Methods which should only be used internally in cc ------------------
@@ skipping 105 matching lines @@
     float top_controls_shown_ratio;
     bool top_controls_shrink_blink_size;
 
     float bottom_controls_height;
 
     float device_scale_factor;
     float painted_device_scale_factor;
     float page_scale_factor;
     float min_page_scale_factor;
     float max_page_scale_factor;
+    gfx::ColorSpace device_color_space;
 
     SkColor background_color;
     bool has_transparent_background;
 
     LayerSelection selection;
 
     gfx::Size device_viewport_size;
 
     bool have_scroll_event_handlers;
     EventListenerProperties event_listener_properties[static_cast<size_t>(
@@ skipping 26 matching lines @@
 
   std::unique_ptr<AnimationHost> animation_host_;
   LayerTreeHost* layer_tree_host_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTree);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_H_