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

gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
index 74c7a4a6d7522416bd5f4cc9e7af8ebacd7cec3e..dce7dea10b3b543c0557452318ebd5ee6fbbd1f1 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
@@ -1215,12 +1215,6 @@ error::Error GLES2DecoderPassthroughImpl::DoGetString(GLenum name,
     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;