Add an extension to expose some primitives to JS for doing ...

webkit/webkit.gyp

 # Copyright (c) 2009 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': {
     'feature_defines': [
       'ENABLE_CHANNEL_MESSAGING=1',
       'ENABLE_DATABASE=1',
       'ENABLE_DASHBOARD_SUPPORT=0',
@@ skipping 1107 matching lines @@
         'extensions/v8/gc_extension.cc',
         'extensions/v8/gc_extension.h',
         'extensions/v8/gears_extension.cc',
         'extensions/v8/gears_extension.h',
         'extensions/v8/interval_extension.cc',
         'extensions/v8/interval_extension.h',
         'extensions/v8/playback_extension.cc',
         'extensions/v8/playback_extension.h',
         'extensions/v8/profiler_extension.cc',
         'extensions/v8/profiler_extension.h',
+        'extensions/v8/benchmarking_extension.cc',
+        'extensions/v8/benchmarking_extension.h',
         'port/bindings/v8/DOMObjectsInclude.h',
         'port/bindings/v8/JSXPathNSResolver.cpp',
         'port/bindings/v8/JSXPathNSResolver.h',
         'port/bindings/v8/RGBColor.cpp',
         'port/bindings/v8/RGBColor.h',
         'port/bindings/v8/V8SVGPODTypeWrapper.h',
         'port/bindings/v8/NPV8Object.cpp',
         'port/bindings/v8/NPV8Object.h',
         'port/bindings/v8/npruntime.cpp',
         'port/bindings/v8/npruntime_impl.h',
@@ skipping 3670 matching lines @@
             '../third_party/WebKit/WebCore/inspector/front-end/Images/userInputPreviousIcon.png',
             '../third_party/WebKit/WebCore/inspector/front-end/Images/warningIcon.png',
             '../third_party/WebKit/WebCore/inspector/front-end/Images/warningMediumIcon.png',
             '../third_party/WebKit/WebCore/inspector/front-end/Images/warningsErrors.png',
           ],
         },
       ],
     },
   ],
 }