cc: Fix numbers that we report to the HUD

cc/resources/tile_manager.cc

 // Copyright 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.
 
 #include "cc/resources/tile_manager.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 
@@ skipping 945 matching lines @@
                       "budget",
                       global_state_.hard_memory_limit_in_bytes,
                       "over",
                       bytes_that_exceeded_memory_budget);
   }
   memory_stats_from_last_assign_.total_budget_in_bytes =
       global_state_.hard_memory_limit_in_bytes;
   memory_stats_from_last_assign_.bytes_allocated =
       hard_bytes_allocatable - hard_bytes_left;
   memory_stats_from_last_assign_.bytes_unreleasable =
-      hard_bytes_allocatable - bytes_releasable_;
+      resource_pool_->acquired_memory_usage_bytes() - bytes_releasable_;
   memory_stats_from_last_assign_.bytes_over = bytes_that_exceeded_memory_budget;
 }
 
 void TileManager::FreeResourceForTile(Tile* tile, RasterMode mode) {
   ManagedTileState& mts = tile->managed_state();
   if (mts.tile_versions[mode].resource_) {
     resource_pool_->ReleaseResource(mts.tile_versions[mode].resource_.Pass());
 
     DCHECK_GE(bytes_releasable_, BytesConsumedIfAllocated(tile));
     DCHECK_GE(resources_releasable_, 1u);
@@ skipping 649 matching lines @@
 
   if (b_priority.resolution != a_priority.resolution) {
     return (prioritize_low_res && b_priority.resolution == LOW_RESOLUTION) ||
            (!prioritize_low_res && b_priority.resolution == HIGH_RESOLUTION) ||
            (a_priority.resolution == NON_IDEAL_RESOLUTION);
   }
   return a_priority.IsHigherPriorityThan(b_priority);
 }
 
 }  // namespace cc