color: Use ICCProfile from display::Display instead of FromBestMonitor

ui/aura/mus/window_tree_host_mus.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/aura/mus/window_tree_host_mus.h"
 
 #include "base/memory/ptr_util.h"
 #include "ui/aura/env.h"
 #include "ui/aura/mus/input_method_mus.h"
 #include "ui/aura/mus/window_port_mus.h"
@@ skipping 175 matching lines @@
     GetInputMethod()->OnFocus();
   else
     GetInputMethod()->OnBlur();
   WindowTreeHostPlatform::OnActivationChanged(active);
 }
 
 void WindowTreeHostMus::OnCloseRequest() {
   OnHostCloseRequested();
 }
 
-gfx::ICCProfile WindowTreeHostMus::GetICCProfileForCurrentDisplay() {
-  // TODO: This should read the profile from mus. crbug.com/647510
-  return gfx::ICCProfile();
-}
-
 void WindowTreeHostMus::MoveCursorToScreenLocationInPixels(
     const gfx::Point& location_in_pixels) {
   gfx::Point screen_location_in_pixels = location_in_pixels;
   gfx::Point location = GetLocationOnScreenInPixels();
   screen_location_in_pixels.Offset(-location.x(), -location.y());
   delegate_->OnWindowTreeHostMoveCursorToDisplayLocation(
       screen_location_in_pixels, display_id_);
 
   Env::GetInstance()->set_last_mouse_location(location_in_pixels);
 }
 
 }  // namespace aura