Add a user pref in Settings to disable all GPU features.

content/browser/gpu/gpu_data_manager_impl_unittest.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 "base/message_loop.h"
 #include "base/run_loop.h"
 #include "base/time.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/public/browser/gpu_data_manager_observer.h"
 #include "content/public/common/gpu_info.h"
@@ skipping 176 matching lines @@
   EXPECT_TRUE(manager->GpuAccessAllowed());
   EXPECT_EQ(0, manager->GetBlacklistedFeatures());
 
   // Now assume gpu process launches and full GPU info is collected.
   gpu_info.gl_renderer = "NVIDIA GeForce GT 120";
   manager->UpdateGpuInfo(gpu_info);
   EXPECT_TRUE(manager->GpuAccessAllowed());
   EXPECT_EQ(0, manager->GetBlacklistedFeatures());
 }
 
-TEST_F(GpuDataManagerImplTest, BlacklistCard) {
+TEST_F(GpuDataManagerImplTest, DisableHardwareAcceleration) {
   ScopedGpuDataManagerImpl manager;
   ASSERT_TRUE(manager.get());
   EXPECT_EQ(0, manager->GetBlacklistedFeatures());
   EXPECT_TRUE(manager->GpuAccessAllowed());
 
-  manager->BlacklistCard();
+  manager->DisableHardwareAcceleration();
   EXPECT_FALSE(manager->GpuAccessAllowed());
   EXPECT_EQ(GPU_FEATURE_TYPE_ALL, manager->GetBlacklistedFeatures());
 }
 
 TEST_F(GpuDataManagerImplTest, SoftwareRendering) {
   // Blacklist, then register SwiftShader.
   ScopedGpuDataManagerImpl manager;
   ASSERT_TRUE(manager.get());
   EXPECT_EQ(0, manager->GetBlacklistedFeatures());
   EXPECT_TRUE(manager->GpuAccessAllowed());
   EXPECT_FALSE(manager->ShouldUseSoftwareRendering());
 
-  manager->BlacklistCard();
+  manager->DisableHardwareAcceleration();
   EXPECT_FALSE(manager->GpuAccessAllowed());
   EXPECT_FALSE(manager->ShouldUseSoftwareRendering());
 
   // If software rendering is enabled, even if we blacklist GPU,
   // GPU process is still allowed.
   const base::FilePath test_path(FILE_PATH_LITERAL("AnyPath"));
   manager->RegisterSwiftShaderPath(test_path);
   EXPECT_TRUE(manager->ShouldUseSoftwareRendering());
   EXPECT_TRUE(manager->GpuAccessAllowed());
   EXPECT_EQ(GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS,
             manager->GetBlacklistedFeatures());
 }
 
 TEST_F(GpuDataManagerImplTest, SoftwareRendering2) {
   // Register SwiftShader, then blacklist.
   ScopedGpuDataManagerImpl manager;
   ASSERT_TRUE(manager.get());
   EXPECT_EQ(0, manager->GetBlacklistedFeatures());
   EXPECT_TRUE(manager->GpuAccessAllowed());
   EXPECT_FALSE(manager->ShouldUseSoftwareRendering());
 
   const base::FilePath test_path(FILE_PATH_LITERAL("AnyPath"));
   manager->RegisterSwiftShaderPath(test_path);
   EXPECT_EQ(0, manager->GetBlacklistedFeatures());
   EXPECT_TRUE(manager->GpuAccessAllowed());
   EXPECT_FALSE(manager->ShouldUseSoftwareRendering());
 
-  manager->BlacklistCard();
+  manager->DisableHardwareAcceleration();
   EXPECT_TRUE(manager->GpuAccessAllowed());
   EXPECT_TRUE(manager->ShouldUseSoftwareRendering());
   EXPECT_EQ(GPU_FEATURE_TYPE_ACCELERATED_2D_CANVAS,
             manager->GetBlacklistedFeatures());
 }
 
 TEST_F(GpuDataManagerImplTest, GpuInfoUpdate) {
   ScopedGpuDataManagerImpl manager;
   ASSERT_TRUE(manager.get());
 
@@ skipping 12 matching lines @@
     base::RunLoop run_loop;
     run_loop.RunUntilIdle();
   }
   EXPECT_TRUE(observer.gpu_info_updated());
 }
 
 TEST_F(GpuDataManagerImplTest, NoGpuInfoUpdateWithSoftwareRendering) {
   ScopedGpuDataManagerImpl manager;
   ASSERT_TRUE(manager.get());
 
-  manager->BlacklistCard();
+  manager->DisableHardwareAcceleration();
   const base::FilePath test_path(FILE_PATH_LITERAL("AnyPath"));
   manager->RegisterSwiftShaderPath(test_path);
   EXPECT_TRUE(manager->ShouldUseSoftwareRendering());
   EXPECT_TRUE(manager->GpuAccessAllowed());
 
   {
     base::RunLoop run_loop;
     run_loop.RunUntilIdle();
   }
 
@@ skipping 268 matching lines @@
   // Now assume browser gets GL strings from local state.
   // SetGLStrings() has no effects because GPUInfo already got these strings.
   // (Otherwise the entry should not apply.)
   manager->SetGLStrings(kGLVendorMesa, kGLRendererMesa, kGLVersionMesa802);
   EXPECT_TRUE(manager->GpuAccessAllowed());
   EXPECT_EQ(GPU_FEATURE_TYPE_WEBGL, manager->GetBlacklistedFeatures());
 }
 #endif  // OS_LINUX
 
 }  // namespace content