gpu: Fix removal of pending queries.

gpu/command_buffer/client/query_tracker.h

 // 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.
 
 #ifndef GPU_COMMAND_BUFFER_CLIENT_QUERY_TRACKER_H_
 #define GPU_COMMAND_BUFFER_CLIENT_QUERY_TRACKER_H_
 
 #include <GLES2/gl2.h>
 
 #include <deque>
+#include <list>
+
 #include "gles2_impl_export.h"
 #include "gpu/command_buffer/client/hash_tables.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 
 namespace gpu {
 
 class CommandBufferHelper;
 class MappedMemoryManager;
 
 namespace gles2 {
@@ skipping 126 matching lines @@
     bool flushed_;
     uint64 client_begin_time_us_; // Only used for latency query target.
     uint32 result_;
   };
 
   QueryTracker(MappedMemoryManager* manager);
   ~QueryTracker();
 
   Query* CreateQuery(GLuint id, GLenum target);
   Query* GetQuery(GLuint id);
-  void RemoveQuery(GLuint id, bool context_lost);
+  void RemoveQuery(GLuint id);
   void Shrink();
+  void FreeCompletedQueries();
 
  private:
   typedef gpu::hash_map<GLuint, Query*> QueryMap;
+  typedef std::list<Query*> QueryList;
 
   QueryMap queries_;
+  QueryList removed_queries_;
   QuerySyncManager query_sync_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(QueryTracker);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_QUERY_TRACKER_H_