Expose GL_VENDOR/GL_RENDERER strings to internal clients of GPU command buffer.

gpu/command_buffer/service/gl_utils.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.
 
 // This file includes all the necessary GL headers and implements some useful
 // utilities.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_GL_UTILS_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GL_UTILS_H_
 
@@ skipping 39 matching lines @@
 // GL and fill in the members of the Capabilities struct.  Does not perform any
 // extension checks.
 void PopulateNumericCapabilities(Capabilities* caps,
                                  const FeatureInfo* feature_info);
 
 bool CheckUniqueAndNonNullIds(GLsizei n, const GLuint* client_ids);
 
 const char* GetServiceVersionString(const FeatureInfo* feature_info);
 const char* GetServiceShadingLanguageVersionString(
     const FeatureInfo* feature_info);
-const char* GetServiceRendererString(const FeatureInfo* feature_info);
-const char* GetServiceVendorString(const FeatureInfo* feature_info);
 
 void APIENTRY LogGLDebugMessage(GLenum source,
                                 GLenum type,
                                 GLuint id,
                                 GLenum severity,
                                 GLsizei length,
                                 const GLchar* message,
                                 GLvoid* user_param);
 
 void InitializeGLDebugLogging();
 
 } // gles2
 } // gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GL_UTILS_H_