Send the ICC profile to the compositor under aura.

ui/aura/window_tree_host.cc

Index: ui/aura/window_tree_host.cc
diff --git a/ui/aura/window_tree_host.cc b/ui/aura/window_tree_host.cc
index 5164fe65a58cac4cbe9a61f1ce84d2dd04f955c4..902d8e94569e13608320f59b23f0c89ac1f39f9e 100644
--- a/ui/aura/window_tree_host.cc
+++ b/ui/aura/window_tree_host.cc
@@ -26,6 +26,7 @@
 #include "ui/gfx/geometry/point_conversions.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 #include "ui/gfx/geometry/size_conversions.h"
+#include "ui/gfx/icc_profile.h"
 
 namespace aura {
 
@@ -68,6 +69,11 @@ void WindowTreeHost::InitCompositor() {
   compositor_->SetScaleAndSize(GetDeviceScaleFactorFromDisplay(window()),
                                GetBounds().size());
   compositor_->SetRootLayer(window()->layer());
+
+  // TODO(hubbe): Get the color space from the *current* monitor and
+  // update it when window is moved or color space configuration changes.
+  compositor_->SetDisplayColorSpace(
+      gfx::ICCProfile::FromBestMonitor().GetColorSpace());
 }
 
 void WindowTreeHost::AddObserver(WindowTreeHostObserver* observer) {