Move skia_utils into the skia namespace.

chrome/common/gfx/color_utils.cc

 // Copyright (c) 2006-2008 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 "build/build_config.h"
 
 #include <math.h>
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
@@ skipping 237 matching lines @@
     }
   }
 }
 
 SkColor SetColorAlpha(SkColor c, SkAlpha alpha) {
   return SkColorSetARGB(alpha, SkColorGetR(c), SkColorGetG(c), SkColorGetB(c));
 }
 
 SkColor GetSysSkColor(int which) {
 #if defined(OS_WIN)
-  return gfx::COLORREFToSkColor(::GetSysColor(which));
+  return skia::COLORREFToSkColor(::GetSysColor(which));
 #else
   NOTIMPLEMENTED();
   return SK_ColorLTGRAY;
 #endif
 }
 
 } // namespace color_utils