Compute GpuDriverBugWorkarounds only one time in the GPU process

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
@@ skipping 1863 matching lines @@
                                              TextureRef* dest_texture_ref);
 
   void RenderWarning(const char* filename, int line, const std::string& msg);
   void PerformanceWarning(
       const char* filename, int line, const std::string& msg);
 
   const FeatureInfo::FeatureFlags& features() const {
     return feature_info_->feature_flags();
   }
 
-  const FeatureInfo::Workarounds& workarounds() const {
+  const GpuDriverBugWorkarounds& workarounds() const {
     return feature_info_->workarounds();
   }
 
   bool ShouldDeferDraws() {
     return !offscreen_target_frame_buffer_.get() &&
            framebuffer_state_.bound_draw_framebuffer.get() == NULL &&
            surface_->DeferDraws();
   }
 
   bool ShouldDeferReads() {
@@ skipping 11069 matching lines @@
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleGetRequestableExtensionsCHROMIUM(
     uint32_t immediate_data_size,
     const void* cmd_data) {
   const gles2::cmds::GetRequestableExtensionsCHROMIUM& c =
       *static_cast<const gles2::cmds::GetRequestableExtensionsCHROMIUM*>(
           cmd_data);
   Bucket* bucket = CreateBucket(c.bucket_id);
-  scoped_refptr<FeatureInfo> info(new FeatureInfo());
+  scoped_refptr<FeatureInfo> info(new FeatureInfo(workarounds()));
   DisallowedFeatures disallowed_features = feature_info_->disallowed_features();
   disallowed_features.AllowExtensions();
   info->Initialize(feature_info_->context_type(), disallowed_features);
   bucket->SetFromString(info->extensions().c_str());
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleRequestExtensionCHROMIUM(
     uint32_t immediate_data_size,
     const void* cmd_data) {
@@ skipping 3527 matching lines @@
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "base/macros.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu