WebGL feature will only enabled when accelerated

chrome/browser/extensions/requirements_checker_browsertest.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 <vector>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 114 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(RequirementsCheckerBrowserTest, DisallowWebGL) {
   scoped_refptr<const Extension> extension(
       LoadExtensionFromDirName("require_3d"));
   ASSERT_TRUE(extension.get());
 
   // Backlist webgl
   std::vector<std::string> blacklisted_features;
   blacklisted_features.push_back("webgl");
+  blacklisted_features.push_back("swiftshader");
   BlackListGPUFeatures(blacklisted_features);
   content::RunAllBlockingPoolTasksUntilIdle();
 
   std::vector<std::string> expected_errors;
   expected_errors.push_back(l10n_util::GetStringUTF8(
       IDS_EXTENSION_WEBGL_NOT_SUPPORTED));
 
   checker_->Check(extension, base::Bind(
       &RequirementsCheckerBrowserTest::ValidateRequirementErrors,
       base::Unretained(this), expected_errors));
@@ skipping 12 matching lines @@
         IDS_EXTENSION_WEBGL_NOT_SUPPORTED));
   }
 
   checker_->Check(extension, base::Bind(
       &RequirementsCheckerBrowserTest::ValidateRequirementErrors,
       base::Unretained(this), expected_errors));
   content::RunAllBlockingPoolTasksUntilIdle();
 }
 
 }  // namespace extensions