Teach gfx::Screen about color profiles

mojo/examples/aura_demo/demo_screen.cc

 // Copyright (c) 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 "mojo/examples/aura_demo/demo_screen.h"
 
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect_conversions.h"
 
 namespace mojo {
@@ skipping 32 matching lines @@
 
 std::vector<gfx::Display> DemoScreen::GetAllDisplays() const {
   return std::vector<gfx::Display>(1, display_);
 }
 
 gfx::Display DemoScreen::GetDisplayNearestWindow(
     gfx::NativeWindow window) const {
   return display_;
 }
 
+bool DemoScreen::GetDisplayColorProfile(
+    gfx::NativeWindow window, std::vector<char>* color_profile) const {
+  return false;
+}
+
 gfx::Display DemoScreen::GetDisplayNearestPoint(const gfx::Point& point) const {
   return display_;
 }
 
 gfx::Display DemoScreen::GetDisplayMatching(const gfx::Rect& match_rect) const {
   return display_;
 }
 
 gfx::Display DemoScreen::GetPrimaryDisplay() const {
   return display_;
 }
 
 void DemoScreen::AddObserver(gfx::DisplayObserver* observer) {
 }
 
 void DemoScreen::RemoveObserver(gfx::DisplayObserver* observer) {
 }
 
 DemoScreen::DemoScreen(const gfx::Rect& screen_bounds) {
   static int64 synthesized_display_id = 2000;
   display_.set_id(synthesized_display_id++);
   display_.SetScaleAndBounds(1.0f, screen_bounds);
 }
 
 }  // namespace examples
 }  // namespace mojo