Use GpuPreferences to avoid directly accessing switches in gpu related code

components/mus/gles2/command_buffer_driver.cc

 // Copyright 2013 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 "components/mus/gles2/command_buffer_driver.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 93 matching lines @@
     return false;
 
   if (!context_->MakeCurrent(surface_.get()))
     return false;
 
   // TODO(piman): ShaderTranslatorCache is currently per-ContextGroup but
   // only needs to be per-thread.
   const bool bind_generates_resource = attrib_helper.bind_generates_resource;
   scoped_refptr<gpu::gles2::ContextGroup> context_group =
       new gpu::gles2::ContextGroup(
-          gpu_state_->mailbox_manager(), new GpuMemoryTracker,
-          new gpu::gles2::ShaderTranslatorCache,
+          gpu_state_->gpu_preferences(), gpu_state_->mailbox_manager(),
+          new GpuMemoryTracker,
+          new gpu::gles2::ShaderTranslatorCache(gpu_state_->gpu_preferences()),
           new gpu::gles2::FramebufferCompletenessCache, nullptr, nullptr,
           nullptr, bind_generates_resource);
 
   command_buffer_.reset(
       new gpu::CommandBufferService(context_group->transfer_buffer_manager()));
   bool result = command_buffer_->Initialize();
   DCHECK(result);
 
   decoder_.reset(::gpu::gles2::GLES2Decoder::Create(context_group.get()));
   scheduler_.reset(new gpu::GpuScheduler(command_buffer_.get(), decoder_.get(),
@@ skipping 365 matching lines @@
 
   gpu::gles2::QueryManager* query_manager = decoder_->GetQueryManager();
   gpu::gles2::QueryManager::Query* query = query_manager->GetQuery(query_id);
   if (query)
     query->AddCallback(callback);
   else
     callback.Run();
 }
 
 }  // namespace mus