Remove unused fields from //content.

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 237 matching lines @@
   base::FilePath swiftshader_path_;
 
   // Current card force-blacklisted due to GPU crashes, or disabled through
   // the --disable-gpu commandline switch.
   bool card_blacklisted_;
 
   // We disable histogram stuff in testing, especially in unit tests because
   // they cause random failures.
   bool update_histograms_;
 
-  // Number of currently open windows, to be used in gpu memory allocation.
-  int window_count_;
-
   DomainBlockMap blocked_domains_;
   mutable std::list<base::Time> timestamps_of_gpu_resets_;
   bool domain_blocking_enabled_;
 
   GpuDataManagerImpl* owner_;
 
   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);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_PRIVATE_H_