Add CSS variables feature flag to chrome://flags.

content/public/common/content_switches.cc

 // Copyright (c) 2012 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.
 
 #include "content/public/common/content_switches.h"
 
 namespace switches {
 
 // By default, file:// URIs cannot read other file:// URIs. This is an
 // override for developers who need the old behavior for testing.
@@ skipping 230 matching lines @@
 // Turns on extremely verbose logging of accessibility events.
 const char kEnableAccessibilityLogging[]    = "enable-accessibility-logging";
 
 // Enables the creation of compositing layers for fixed position elements.
 const char kEnableCompositingForFixedPosition[] =
      "enable-fixed-position-compositing";
 
 // Enables CSS3 regions
 const char kEnableCssRegions[]              = "enable-css-regions";
 
+// Enables CSS3 variables

[Roland Steiner, 2012/07/24 05:58:55]

CSS3 (?)

+const char kEnableCssVariables[]            = "enable-css-variables";
+
 // Enables CSS3 custom filters
 const char kEnableCssShaders[]              = "enable-css-shaders";
 
 // Enables device motion events.
 const char kEnableDeviceMotion[]            = "enable-device-motion";
 
 // Enables support for encrypted media. Current implementation is
 // incomplete and this flag is used for development and testing.
 const char kEnableEncryptedMedia[]          = "enable-encrypted-media";
 
@@ skipping 405 matching lines @@
 const char kDefaultTileWidth[]              = "default-tile-width";
 const char kDefaultTileHeight[]             = "default-tile-height";
 
 // Sets the width and height above which a composited layer will get tiled.
 const char kMaxUntiledLayerWidth[]          = "max-untiled-layer-width";
 const char kMaxUntiledLayerHeight[]         = "max-untiled-layer-height";
 
 const char kFixedPositionCreatesStackingContext[]
     = "fixed-position-creates-stacking-context";
 }  // namespace switches