Refactor Scroll Customization to share cc::ScrollStateData with blink.

third_party/WebKit/Source/core/core.gyp

 #
 # Copyright (C) 2009 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 641 matching lines @@
         'inspector_protocol_sources',
         'inspector_instrumentation_sources',
         '../bindings/core/v8/generated.gyp:bindings_core_v8_generated',
         # FIXME: don't depend on bindings_modules http://crbug.com/358074
         '../bindings/modules/generated.gyp:modules_event_generated',
         '../bindings/modules/v8/generated.gyp:bindings_modules_v8_generated',
         '../platform/platform_generated.gyp:make_platform_generated',
 
         '../wtf/wtf.gyp:wtf',
         '<(DEPTH)/base/base.gyp:base',
+        '<(DEPTH)/cc/cc.gyp:cc',

[jbroman, 2016/02/08 16:09:30]

Yeah, looks like this is necessary due to inlining the superclass constructor
call in blink::ScrollStateData, which is analogous to the reason for the
base.gyp:base dependency above (and also to the link dependency that already
exists in the GN build).

         '<(DEPTH)/gin/gin.gyp:gin',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/third_party/libxml/libxml.gyp:libxml',
         '<(DEPTH)/third_party/libxslt/libxslt.gyp:libxslt',
         '<(DEPTH)/third_party/npapi/npapi.gyp:npapi',
         '<(DEPTH)/third_party/qcms/qcms.gyp:qcms',
         '<(DEPTH)/third_party/snappy/snappy.gyp:snappy',
         '<(DEPTH)/third_party/sqlite/sqlite.gyp:sqlite',
         '<(DEPTH)/url/url.gyp:url_lib',
         '<(DEPTH)/v8/tools/gyp/v8.gyp:v8',
@@ skipping 153 matching lines @@
             'libraries': [
                '<!@(pkg-config --libs ipp|sed s/-L//)/libipps_l.a',
                '<!@(pkg-config --libs ipp|sed s/-L//)/libippcore_l.a',
             ]
           },
         }],
       ],
     },
   ],  # targets
 }