remove 'unsafe' from ES3 apis in gpu process

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 a3f767146ad06f20901bc7791d99dff088ce4fd0..faf50d353161da544c6ce06b7e6c34bc92d0fdfd 100644
--- a/gpu/command_buffer/service/feature_info.h
+++ b/gpu/command_buffer/service/feature_info.h
@@ -146,10 +146,6 @@ class GPU_EXPORT FeatureInfo : public base::RefCounted<FeatureInfo> {
   bool IsES3Capable() const;
   void EnableES3Validators();
 
-  bool IsES3Enabled() const {
-    return unsafe_es3_apis_enabled_;
-  }
-
   bool disable_shader_translator() const { return disable_shader_translator_; }
 
   bool IsWebGLContext() const;
@@ -195,11 +191,6 @@ class GPU_EXPORT FeatureInfo : public base::RefCounted<FeatureInfo> {
   // Flags for Workarounds.
   const GpuDriverBugWorkarounds workarounds_;
 
-  // Whether the command line switch kEnableUnsafeES3APIs is passed in.
-  bool enable_unsafe_es3_apis_switch_;
-
-  bool unsafe_es3_apis_enabled_;
-
   bool ext_color_buffer_float_available_;
   bool oes_texture_float_linear_available_;
   bool oes_texture_half_float_linear_available_;