Teach gfx::Screen about color profiles

ui/gfx/screen_mac.mm

Index: ui/gfx/screen_mac.mm
diff --git a/ui/gfx/screen_mac.mm b/ui/gfx/screen_mac.mm
index 377c8592210b93f00da814c6383c2343d7c28fe7..11d94fca44d90335e36fa0a3c9d906cbf6e91643 100644
--- a/ui/gfx/screen_mac.mm
+++ b/ui/gfx/screen_mac.mm
@@ -166,6 +166,22 @@ class ScreenMac : public gfx::Screen {
     return GetDisplayForScreen(match_screen);
   }
 
+  virtual bool GetDisplayColorProfile(
+      gfx::NativeView view, std::vector<char>* color_profile) const OVERRIDE {
+    DCHECK(color_profile->empty());
+
+    NSWindow* window = nil;
+#if !defined(USE_AURA)
+    window = [view window];
+#endif
+    if (!window)
+      return false;
+
+    // TODO(noel): implement.
+    NOTIMPLEMENTED();
+    return false;
+  }
+
   virtual gfx::Display GetDisplayNearestPoint(
       const gfx::Point& point) const OVERRIDE {
     NSPoint ns_point = NSPointFromCGPoint(point.ToCGPoint());