Enable VM service inside Dartium Renderer processes

Source/core/core.gypi

 {
     'variables': {
         'core_idl_files': [
             'css/CSS.idl',
             'css/CSSCharsetRule.idl',
             'css/CSSFontFaceLoadEvent.idl',
             'css/CSSFontFaceRule.idl',
             'css/CSSHostRule.idl',
             'css/CSSImportRule.idl',
             'css/CSSKeyframeRule.idl',
@@ skipping 979 matching lines @@
             'inspector/InspectorCanvasAgent.cpp',
             'inspector/InspectorCanvasAgent.h',
             'inspector/InspectorCanvasInstrumentation.h',
             'inspector/InspectorClient.cpp',
             'inspector/InspectorConsoleAgent.cpp',
             'inspector/InspectorConsoleAgent.h',
             'inspector/InspectorConsoleInstrumentation.h',
             'inspector/InspectorController.cpp',
             'inspector/InspectorCounters.cpp',
             'inspector/InspectorCounters.h',
+            'inspector/InspectorDartAgent.cpp',
+            'inspector/InspectorDartAgent.h',
             'inspector/InspectorDOMAgent.cpp',
             'inspector/InspectorDOMDebuggerAgent.cpp',
             'inspector/InspectorDOMDebuggerAgent.h',
             'inspector/InspectorDOMStorageAgent.cpp',
             'inspector/InspectorDOMStorageAgent.h',
             'inspector/InspectorDatabaseAgent.cpp',
             'inspector/InspectorDatabaseAgent.h',
             'inspector/InspectorDatabaseInstrumentation.h',
             'inspector/InspectorDatabaseResource.cpp',
             'inspector/InspectorDatabaseResource.h',
@@ skipping 2884 matching lines @@
                 'bison_exe': 'bison',
                 # We specify a preprocess so it happens locally and won't get
                 # distributed to goma.
                 # FIXME: /usr/bin/gcc won't exist on OSX forever. We want to
                 # use /usr/bin/clang once we require Xcode 4.x.
                 'preprocessor': '--preprocessor "/usr/bin/gcc -E -P -x c++"'
               }],
          ],
     }
 }