Expose scroll customization for touch to JS (behind REF).

Source/bindings/core/v8/v8.gypi

 # Copyright 2014 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.
 
 {
     'includes': [
         'custom/custom.gypi',
         '../../modules/v8/generated.gypi',
     ],
     'variables': {
@@ skipping 80 matching lines @@
             'ScriptStreamerThread.cpp',
             'ScriptStreamerThread.h',
             'ScriptString.cpp',
             'ScriptString.h',
             'ScriptValue.cpp',
             'ScriptValue.h',
             'ScriptValueSerializer.cpp',
             'ScriptValueSerializer.h',
             'ScriptWrappable.cpp',
             'ScriptWrappable.h',
+            'ScrollStateCallbackToScriptValue.cpp',
+            'ScrollStateCallbackToScriptValue.h',
             'SerializationTag.h',
             'SerializedScriptValue.cpp',
             'SerializedScriptValue.h',
             'SerializedScriptValueFactory.cpp',
             'SerializedScriptValueFactory.h',
             'SharedPersistent.h',
             'ToV8.cpp',
             'ToV8.h',
             'V8AbstractEventListener.cpp',
             'V8AbstractEventListener.h',
@@ skipping 92 matching lines @@
             'ScriptStreamerTest.cpp',
             'SerializedScriptValueTest.cpp',
             'ToV8Test.cpp',
             'V8BindingForTesting.cpp',
             'V8BindingForTesting.h',
             'V8BindingTest.cpp',
             'V8ScriptRunnerTest.cpp',
         ],
     },
 }