Make gpu black list work again on Linux

content/browser/gpu/gpu_data_manager_impl_private.h

Index: content/browser/gpu/gpu_data_manager_impl_private.h
diff --git a/content/browser/gpu/gpu_data_manager_impl_private.h b/content/browser/gpu/gpu_data_manager_impl_private.h
index 8766b4d55514305447bb7bb649bf51e0ba2f3cfe..887703b9356dae00902d0fc209c89ccccbcf270e 100644
--- a/content/browser/gpu/gpu_data_manager_impl_private.h
+++ b/content/browser/gpu/gpu_data_manager_impl_private.h
@@ -265,11 +265,18 @@ class CONTENT_EXPORT GpuDataManagerImplPrivate {
 
   bool gpu_process_accessible_;
 
+  // True if Initialize() has been completed.
+  bool is_initialized_;
+
   // True if all future Initialize calls should be ignored.
   bool finalized_;
 
   std::string disabled_extensions_;
 
+  // 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);
 };