command_buffer: Implement path rendering functions for CHROMIUM_path_rendering

gpu/command_buffer/service/feature_info.h

Index: gpu/command_buffer/service/feature_info.h
diff --git a/gpu/command_buffer/service/feature_info.h b/gpu/command_buffer/service/feature_info.h
index 1ebff2a02a177d256029aa51100d4a742c125205..aa9c0ba83134c79fa9234603c1a93f379f041755 100644
--- a/gpu/command_buffer/service/feature_info.h
+++ b/gpu/command_buffer/service/feature_info.h
@@ -164,6 +164,9 @@ class GPU_EXPORT FeatureInfo : public base::RefCounted<FeatureInfo> {
 
   bool unsafe_es3_apis_enabled_;
 
+  // Whether the command line switch kEnableGLPathRendering is passed in.
+  bool enable_gl_path_rendering_switch_;
+
   scoped_ptr<gfx::GLVersionInfo> gl_version_info_;
 
   DISALLOW_COPY_AND_ASSIGN(FeatureInfo);