Add initial support for NV_path_rendering extension to gpu command buffer

gpu/command_buffer/service/feature_info_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 "gpu/command_buffer/service/feature_info.h"
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "gpu/command_buffer/service/gpu_service_test.h"
@@ skipping 1032 matching lines @@
       base::IntToString(gpu::EXIT_ON_CONTEXT_LOST) + "," +
       base::IntToString(gpu::MAX_CUBE_MAP_TEXTURE_SIZE_LIMIT_1024) + "," +
       base::IntToString(gpu::MAX_TEXTURE_SIZE_LIMIT_4096));
   // Workarounds should get parsed without the need for a context.
   SetupWithCommandLine(command_line);
   EXPECT_TRUE(info_->workarounds().exit_on_context_lost);
   EXPECT_EQ(1024, info_->workarounds().max_cube_map_texture_size);
   EXPECT_EQ(4096, info_->workarounds().max_texture_size);
 }
 
+
 TEST_F(FeatureInfoTest, InitializeWithARBSync) {
   SetupInitExpectations("GL_ARB_sync");
   EXPECT_TRUE(info_->feature_flags().chromium_sync_query);
   EXPECT_TRUE(gfx::GLFence::IsSupported());
 }
 
 TEST_F(FeatureInfoTest, InitializeWithNVFence) {
   SetupInitExpectations("GL_NV_fence");
   EXPECT_TRUE(info_->feature_flags().chromium_sync_query);
   EXPECT_TRUE(gfx::GLFence::IsSupported());
 }
 
 TEST_F(FeatureInfoTest, ARBSyncDisabled) {
   CommandLine command_line(0, NULL);
   command_line.AppendSwitchASCII(
       switches::kGpuDriverBugWorkarounds,
       base::IntToString(gpu::DISABLE_ARB_SYNC));
   SetupInitExpectationsWithCommandLine("GL_ARB_sync", command_line);
   EXPECT_FALSE(info_->feature_flags().chromium_sync_query);
   EXPECT_FALSE(gfx::GLFence::IsSupported());
 }
 
+TEST_F(FeatureInfoTest, InitializeCHROMIUM_path_rendering) {
+  SetupInitExpectationsWithGLVersion(
+      "GL_NV_path_rendering GL_EXT_direct_state_access", "", "4.3");
+  EXPECT_TRUE(info_->feature_flags().chromium_path_rendering);
+  EXPECT_THAT(info_->extensions(), HasSubstr("GL_CHROMIUM_path_rendering"));
+}
+
+TEST_F(FeatureInfoTest, InitializeCHROMIUM_path_rendering2) {
+  SetupInitExpectationsWithGLVersion(
+      "GL_NV_path_rendering", "", "OpenGL ES 3.1");
+  EXPECT_TRUE(info_->feature_flags().chromium_path_rendering);
+  EXPECT_THAT(info_->extensions(), HasSubstr("GL_CHROMIUM_path_rendering"));
+}
+
+TEST_F(FeatureInfoTest, InitializeNoCHROMIUM_path_rendering) {
+  SetupInitExpectationsWithGLVersion("", "", "4.3");
+  EXPECT_FALSE(info_->feature_flags().chromium_path_rendering);
+  EXPECT_THAT(info_->extensions(),
+              Not(HasSubstr("GL_CHROMIUM_path_rendering")));
+}
+
+TEST_F(FeatureInfoTest, InitializeNoCHROMIUM_path_rendering2) {
+  SetupInitExpectationsWithGLVersion("GL_NV_path_rendering", "", "4.3");
+  EXPECT_FALSE(info_->feature_flags().chromium_path_rendering);
+  EXPECT_THAT(info_->extensions(),
+              Not(HasSubstr("GL_CHROMIUM_path_rendering")));
+}
+
 }  // namespace gles2
 }  // namespace gpu