[cc] Add window decoration layers (NinePatch)

webkit/compositor_bindings/compositor_bindings.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'webkit_compositor_bindings_sources': [
       'CCThreadImpl.cpp',
       'CCThreadImpl.h',
       'WebAnimationCurveCommon.cpp',
       'WebAnimationCurveCommon.h',
       'WebAnimationImpl.cpp',
       'WebAnimationImpl.h',
       'WebCompositorImpl.cpp',
       'WebCompositorImpl.h',
       'WebContentLayerImpl.cpp',
       'WebContentLayerImpl.h',
+      'WebDecorationLayerImpl.cpp',
+      'WebDecorationLayerImpl.h',
       'WebDelegatedRendererLayerImpl.cpp',
       'WebDelegatedRendererLayerImpl.h',
       'WebExternalTextureLayerImpl.cpp',
       'WebExternalTextureLayerImpl.h',
       'WebFloatAnimationCurveImpl.cpp',
       'WebFloatAnimationCurveImpl.h',
       'WebIOSurfaceLayerImpl.cpp',
       'WebIOSurfaceLayerImpl.h',
       'WebImageLayerImpl.cpp',
       'WebImageLayerImpl.h',
@@ skipping 56 matching lines @@
         '<(webkit_src_dir)/Source/Platform/chromium',
       ],
       'sources': [
         '<@(webkit_compositor_bindings_sources)',
         'webcore_convert.cc',
         'webcore_convert.h',
       ],
     },
   ],
 }