Teach gfx::Screen about color profiles

chrome/browser/extensions/api/system_display/system_display_apitest.cc

Index: chrome/browser/extensions/api/system_display/system_display_apitest.cc
diff --git a/chrome/browser/extensions/api/system_display/system_display_apitest.cc b/chrome/browser/extensions/api/system_display/system_display_apitest.cc
index 17a0dcf1182fb9254755c14fd083490d9bb191b8..f8b65674fa14f3d2cb7ff0086aa34d7b47cebd0e 100644
--- a/chrome/browser/extensions/api/system_display/system_display_apitest.cc
+++ b/chrome/browser/extensions/api/system_display/system_display_apitest.cc
@@ -91,6 +91,10 @@ class MockScreen : public Screen {
       gfx::NativeView window) const OVERRIDE {
     return gfx::Display(0);
   }
+  virtual bool GetDisplayColorProfile(gfx::NativeView window,
+      std::vector<char>* color_profile) const OVERRIDE {
+    return false;
+  }
   virtual gfx::Display GetDisplayNearestPoint(
       const gfx::Point& point) const OVERRIDE {
     return gfx::Display(0);