cc: Remove unused metrics from RenderingStats.

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 817 matching lines @@
     decode_tasks.Insert(decode_task);
     existing_pixel_refs[id] = decode_task;
   }
 
   return RasterWorkerPool::CreateRasterTask(
       const_resource,
       tile->picture_pile(),
       tile->content_rect(),
       tile->contents_scale(),
       mts.raster_mode,
-      mts.tree_bin[PENDING_TREE] == NOW_BIN,

[reveman, 2013/10/07 14:12:57]

I think you can also make tree_bin local to GetTilesWithAssignedBins and remove
it from ManagedTileState after removing this line. The value of "bin" is
probably more useful to set in ManagedTileState::AsValue() than "tree_bin.*".

[ernstm, 2013/10/07 18:19:07]

Done.

       mts.resolution,
       tile->layer_id(),
       static_cast<const void *>(tile),
       tile->source_frame_number(),
       rendering_stats_instrumentation_,
       base::Bind(&TileManager::OnRasterTaskCompleted,
                  base::Unretained(this),
                  tile->id(),
                  base::Passed(&resource),
                  mts.raster_mode),
@@ skipping 87 matching lines @@
                                                          can_use_lcd_text));
   DCHECK(tiles_.find(tile->id()) == tiles_.end());
 
   tiles_[tile->id()] = tile;
   used_layer_counts_[tile->layer_id()]++;
   prioritized_tiles_dirty_ = true;
   return tile;
 }
 
 }  // namespace cc