Add initial support for NV_path_rendering extension to gpu command buffer

gpu/command_buffer/service/feature_info_unittest.cc

Index: gpu/command_buffer/service/feature_info_unittest.cc
diff --git a/gpu/command_buffer/service/feature_info_unittest.cc b/gpu/command_buffer/service/feature_info_unittest.cc
index 1a8cc126f5792e7c6c1c1cdda00637ad8824de0d..99ebaeaa3c66bc315952ded26970b4428a3a738c 100644
--- a/gpu/command_buffer/service/feature_info_unittest.cc
+++ b/gpu/command_buffer/service/feature_info_unittest.cc
@@ -992,5 +992,21 @@ TEST_F(FeatureInfoTest, ParseDriverBugWorkaroundsMultiple) {
   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