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

gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc

 // Copyright (c) 2016 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder_passthrough.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "ui/gl/gl_version_info.h"
 
 namespace gpu {
@@ skipping 1197 matching lines @@
 
 error::Error GLES2DecoderPassthroughImpl::DoGetString(GLenum name,
                                                       const char** result) {
   switch (name) {
     case GL_VERSION:
       *result = GetServiceVersionString(feature_info_.get());
       break;
     case GL_SHADING_LANGUAGE_VERSION:
       *result = GetServiceShadingLanguageVersionString(feature_info_.get());
       break;
-    case GL_RENDERER:
-      *result = GetServiceRendererString(feature_info_.get());
-      break;
-    case GL_VENDOR:
-      *result = GetServiceVendorString(feature_info_.get());
-      break;
     case GL_EXTENSIONS:
       *result = feature_info_->extensions().c_str();
       break;
     default:
       *result = reinterpret_cast<const char*>(glGetString(name));
       break;
   }
 
   return error::kNoError;
 }
@@ skipping 2238 matching lines @@
     GLint x,
     GLint y,
     GLint width,
     GLint height) {
   NOTIMPLEMENTED();
   return error::kNoError;
 }
 
 }  // namespace gles2
 }  // namespace gpu