Prevent preliminary blacklisted features from being used too early

content/browser/gpu/gpu_data_manager_impl_private.h

 // Copyright (c) 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.
 
 #ifndef CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_PRIVATE_H_
 #define CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_PRIVATE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 215 matching lines @@
                                    GpuDataManagerImpl::DomainGuilt guilt,
                                    base::Time at_time);
   GpuDataManagerImpl::DomainBlockStatus Are3DAPIsBlockedAtTime(
       const GURL& url, base::Time at_time) const;
   int64_t GetBlockAllDomainsDurationInMs() const;
 
   bool complete_gpu_info_already_requested_;
 
   std::set<int> blacklisted_features_;
   std::set<int> preliminary_blacklisted_features_;
+  bool preliminary_blacklisted_features_initialized_;
+
   // Eventually |blacklisted_features_| should be folded in to this.
   gpu::GpuFeatureInfo gpu_feature_info_;
 
   std::set<int> gpu_driver_bugs_;
 
   gpu::GPUInfo gpu_info_;
 
   std::unique_ptr<gpu::GpuBlacklist> gpu_blacklist_;
   std::unique_ptr<gpu::GpuDriverBugList> gpu_driver_bug_list_;
 
@@ skipping 35 matching lines @@
   // If one tries to call a member before initialization then it is defered
   // until Initialize() is completed.
   std::vector<base::Closure> post_init_tasks_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuDataManagerImplPrivate);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_PRIVATE_H_