Compute GpuDriverBugWorkarounds only one time in the GPU process

content/common/gpu/gpu_command_buffer_stub.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 "content/common/gpu/gpu_command_buffer_stub.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 193 matching lines @@
 
   gpu::gles2::ContextCreationAttribHelper attrib_parser;
   attrib_parser.Parse(requested_attribs_);
 
   if (share_group) {
     context_group_ = share_group->context_group_;
     DCHECK(context_group_->bind_generates_resource() ==
            attrib_parser.bind_generates_resource);
   } else {
     context_group_ = new gpu::gles2::ContextGroup(
-        channel_->gpu_channel_manager()->gpu_preferences(), mailbox_manager,
-        new GpuCommandBufferMemoryTracker(channel,
-                                          command_buffer_id_.GetUnsafeValue()),
+        channel_->gpu_channel_manager()->gpu_preferences(),
+        channel_->gpu_channel_manager()->gpu_driver_bug_workarounds(),
+        mailbox_manager, new GpuCommandBufferMemoryTracker(
+                             channel, command_buffer_id_.GetUnsafeValue()),
         channel_->gpu_channel_manager()->shader_translator_cache(),
         channel_->gpu_channel_manager()->framebuffer_completeness_cache(), NULL,
         subscription_ref_set, pending_valuebuffer_state,
         attrib_parser.bind_generates_resource);
   }
 
 // Virtualize PreferIntegratedGpu contexts by default on OS X to prevent
 // performance regressions when enabling FCM.
 // http://crbug.com/180463
 #if defined(OS_MACOSX)
@@ skipping 906 matching lines @@
                                                     result));
 }
 
 void GpuCommandBufferStub::SendUpdateVSyncParameters(base::TimeTicks timebase,
                                                      base::TimeDelta interval) {
   Send(new GpuCommandBufferMsg_UpdateVSyncParameters(route_id_, timebase,
                                                      interval));
 }
 
 }  // namespace content