Revert 274326 "Lobotomize the GPU memory manager"

trunk/src/content/common/gpu/gpu_memory_manager_client.h

Index: trunk/src/content/common/gpu/gpu_memory_manager_client.h
===================================================================
--- trunk/src/content/common/gpu/gpu_memory_manager_client.h	(revision 274878)
+++ trunk/src/content/common/gpu/gpu_memory_manager_client.h	(working copy)
@@ -81,6 +81,25 @@
   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_;