Added command line argument --enable-webgl to facilitate turning on...

webkit/glue/webpreferences.cc

 // 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.
 
 #include "webkit/glue/webpreferences.h"
 
 #include "base/string_util.h"
 #include "webkit/api/public/WebKit.h"
 #include "webkit/api/public/WebSettings.h"
 #include "webkit/api/public/WebString.h"
@@ skipping 57 matching lines @@
   // we mitigate attacks from local HTML files by not granting file:// URLs
   // universal access. Only test shell will enable this.
   settings->setAllowUniversalAccessFromFileURLs(
       allow_universal_access_from_file_urls);
 
   // We prevent WebKit from checking if it needs to add a "text direction"
   // submenu to a context menu. it is not only because we don't need the result
   // but also because it cause a possible crash in Editor::hasBidiSelection().
   settings->setTextDirectionSubmenuInclusionBehaviorNeverIncluded();
 
+  // Enable experimental WebGL support if requested on command line
+  // and support is compiled in.
+  settings->setExperimentalWebGLEnabled(experimental_webgl_enabled);
+
   // Web inspector settings need to be passed in differently.
   web_view->SetInspectorSettings(inspector_settings);
 
   // Tabs to link is not part of the settings. WebCore calls
   // ChromeClient::tabsToLinks which is part of the glue code.
   web_view->SetTabsToLinks(tabs_to_links);
 }