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_switches.h"
@@ skipping 974 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, InitializeCHROMIUM_NV_path_rendering) {

[piman, 2014/04/11 22:19:27]

nit:  InitializeCHROMIUM_path_rendering

[Kimmo Kinnunen, 2014/04/15 16:16:58]

Done.

+  SetupInitExpectationsWithGLVersion(
+      "GL_NV_path_rendering", "", "OpenGL 3.0");
+  EXPECT_TRUE(info_->feature_flags().nv_path_rendering);
+  EXPECT_THAT(info_->extensions(),
+              HasSubstr("GL_CHROMIUM_NV_path_rendering"));
+}
+
+TEST_F(FeatureInfoTest, InitializeNoCHROMIUM_NV_path_rendering) {
+  SetupInitExpectationsWithGLVersion(
+      "", "", "OpenGL 3.0");
+  EXPECT_FALSE(info_->feature_flags().nv_path_rendering);
+  EXPECT_THAT(info_->extensions(),
+              Not(HasSubstr("GL_CHROMIUM_NV_path_rendering")));
+}
+
 }  // namespace gles2
 }  // namespace gpu