DevTools: Use png icon for bezier editor

third_party/WebKit/Source/devtools/devtools.gypi

 #
 # Copyright (C) 2013 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 219 matching lines @@
             'front_end/emulation/DeviceOrientation.js',
             'front_end/emulation/DevicesSettingsTab.js',
             'front_end/emulation/EmulatedDevices.js',
             'front_end/emulation/Geolocation.js',
             'front_end/emulation/InspectedPagePlaceholder.js',
             'front_end/emulation/MediaQueryInspector.js',
             'front_end/emulation/SensorsView.js',
             'front_end/emulation/TouchModel.js',
         ],
         'devtools_ui_js_files': [
+            'front_end/ui/bezierSwatch.css',
             'front_end/ui/checkboxTextLabel.css',
             'front_end/ui/closeButton.css',
             'front_end/ui/colorSwatch.css',
             'front_end/ui/dialog.css',
             'front_end/ui/dropTarget.css',
             'front_end/ui/emptyWidget.css',
             'front_end/ui/filter.css',
             'front_end/ui/infobar.css',
             'front_end/ui/inspectorCommon.css',
             'front_end/ui/inspectorStyle.css',
@@ skipping 643 matching lines @@
             'front_end/Images/toolbarResizerVertical.png',
             'front_end/Images/toolbarItemSelected.png',
             'front_end/Images/touchCursor.png',
             'front_end/Images/touchCursor_2x.png',
         ],
         'devtools_extension_api_files': [
             'front_end/extensions/ExtensionAPI.js',
         ],
     },
 }