Revert 274326 "Lobotomize the GPU memory manager"

trunk/src/content/common/gpu/gpu_memory_manager_client.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 CONTENT_COMMON_GPU_GPU_MEMORY_MANAGER_CLIENT_H_
 #define CONTENT_COMMON_GPU_GPU_MEMORY_MANAGER_CLIENT_H_
 
 #include <list>
 
 #include "base/basictypes.h"
@@ skipping 63 matching lines @@
   // Whether or not this client is visible.
   bool visible_;
 
   // If the client has a surface, then this is an iterator in the
   // clients_visible_mru_ if this client is visible and
   // clients_nonvisible_mru_ if this is non-visible. Otherwise this is an
   // iterator in clients_nonsurface_.
   std::list<GpuMemoryManagerClientState*>::iterator list_iterator_;
   bool list_iterator_valid_;
 
+  // Statistics about memory usage.
+  gpu::ManagedMemoryStats managed_memory_stats_;
+  bool managed_memory_stats_received_;
+
+  // When managed_memory_stats_.bytes_nicetohave leaves the range
+  // [low_, high_], then re-adjust memory limits.
+  uint64 bytes_nicetohave_limit_low_;
+  uint64 bytes_nicetohave_limit_high_;
+
+  // The allocation for this client, used transiently during memory policy
+  // calculation.
+  uint64 bytes_allocation_when_visible_;
+
+  // The ideal allocation for this client for three performance levels, used
+  // transiently during memory policy calculation.
+  uint64 bytes_allocation_ideal_nicetohave_;
+  uint64 bytes_allocation_ideal_required_;
+  uint64 bytes_allocation_ideal_minimum_;
+
   // Set to disable allocating a frontbuffer or to disable allocations
   // for clients that don't have surfaces.
   bool hibernated_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_GPU_MEMORY_MANAGER_CLIENT_H_