WebGL feature will only enabled when accelerated

content/browser/gpu/gpu_data_manager_impl_private_unittest.cc

 // Copyright (c) 2013 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 <stddef.h>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 282 matching lines @@
   ScopedGpuDataManagerImplPrivate manager;
   manager->InitializeForTesting("", gpu::GPUInfo());
   EXPECT_EQ(0u, manager->GetBlacklistedFeatureCount());
   std::string reason;
   EXPECT_TRUE(manager->GpuAccessAllowed(&reason));
   EXPECT_TRUE(reason.empty());
 
   manager->DisableHardwareAcceleration();
   EXPECT_FALSE(manager->GpuAccessAllowed(&reason));
   EXPECT_FALSE(reason.empty());
-  EXPECT_EQ(static_cast<size_t>(gpu::NUMBER_OF_GPU_FEATURE_TYPES),
+  // SwiftShader is the only feature not getting disabled
+  EXPECT_EQ(static_cast<size_t>(gpu::NUMBER_OF_GPU_FEATURE_TYPES - 1),
             manager->GetBlacklistedFeatureCount());
 }
 
 TEST_F(GpuDataManagerImplPrivateTest, SwiftShaderRendering) {
   // Blacklist, then register SwiftShader.
   ScopedGpuDataManagerImplPrivate manager;
   manager->InitializeForTesting("", gpu::GPUInfo());
   EXPECT_EQ(0u, manager->GetBlacklistedFeatureCount());
   EXPECT_TRUE(manager->GpuAccessAllowed(NULL));
   EXPECT_FALSE(manager->ShouldUseSwiftShader());
@@ skipping 518 matching lines @@
   EXPECT_TRUE(manager->UpdateActiveGpu(0x8086, 0x04a1));
   {
     base::RunLoop run_loop;
     run_loop.RunUntilIdle();
   }
   EXPECT_TRUE(observer.gpu_info_updated());
   EXPECT_EQ(1u, manager->GetBlacklistedFeatureCount());
 }
 
 }  // namespace content