aura: Allow platform to choose how it retrieves ICCProfile.

ui/aura/window_tree_host.h

Index: ui/aura/window_tree_host.h
diff --git a/ui/aura/window_tree_host.h b/ui/aura/window_tree_host.h
index 03dcf1b91f1885ddf622d6f6cd69cbad9bd6d098..0d867ac1ed27936fe81a34a328697051c492dbf9 100644
--- a/ui/aura/window_tree_host.h
+++ b/ui/aura/window_tree_host.h
@@ -18,6 +18,7 @@
 #include "ui/gfx/native_widget_types.h"
 
 namespace gfx {
+class ICCProfile;
 class Insets;
 class Point;
 class Rect;
@@ -220,6 +221,8 @@ class AURA_EXPORT WindowTreeHost : public ui::internal::InputMethodDelegate,
  private:
   friend class test::WindowTreeHostTestApi;
 
+  virtual gfx::ICCProfile GetICCProfileForCurrentDisplay();

[sky, 2016/09/16 17:30:08]

Shouldn't this be protected?

[sadrul, 2016/09/16 17:52:17]

The subclasses do not have to call this function [yet, anyway]. So I believe
this can be private.

+
   // Moves the cursor to the specified location. This method is internally used
   // by MoveCursorTo() and MoveCursorToHostLocation().
   void MoveCursorToInternal(const gfx::Point& root_location,