Add GL_TRANSFORM_FEEDBACK_BUFFER_MODE to GetProgramiv query.

gpu/command_buffer/client/program_info_manager.h

 // 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.
 
 #ifndef GPU_COMMAND_BUFFER_CLIENT_PROGRAM_INFO_MANAGER_H_
 #define GPU_COMMAND_BUFFER_CLIENT_PROGRAM_INFO_MANAGER_H_
 
 #include <GLES3/gl3.h>
 
 #include <string>
@@ skipping 204 matching lines @@
     bool cached_es3_uniform_blocks_;
 
     uint32_t active_uniform_block_max_name_length_;
 
     // Uniform blocks by index.
     std::vector<UniformBlock> uniform_blocks_;
 
     bool cached_es3_transform_feedback_varyings_;
 
     uint32_t transform_feedback_varying_max_length_;
+    GLenum transform_feedback_buffer_mode_;
 
     // TransformFeedback varyings by index.
     std::vector<TransformFeedbackVarying> transform_feedback_varyings_;
 
     bool cached_es3_uniformsiv_;
 
     std::vector<UniformES3> uniforms_es3_;
 
     base::hash_map<std::string, GLint> frag_data_locations_;
   };
 
   Program* GetProgramInfo(
       GLES2Implementation* gl, GLuint program, ProgramInfoType type);
 
   typedef base::hash_map<GLuint, Program> ProgramInfoMap;
 
   ProgramInfoMap program_infos_;
 
   mutable base::Lock lock_;
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_PROGRAM_INFO_MANAGER_H_