cc: Separate the priority from the tile and put in new PrioritizedTile

cc/cc.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 418 matching lines @@
         'resources/picture_pile_impl.h',
         'resources/pixel_buffer_tile_task_worker_pool.cc',
         'resources/pixel_buffer_tile_task_worker_pool.h',
         'resources/pixel_ref_map.cc',
         'resources/pixel_ref_map.h',
         'resources/platform_color.h',
         'resources/prioritized_resource.cc',
         'resources/prioritized_resource.h',
         'resources/prioritized_resource_manager.cc',
         'resources/prioritized_resource_manager.h',
+        'resources/prioritized_tile.cc',
+        'resources/prioritized_tile.h',
         'resources/priority_calculator.cc',
         'resources/priority_calculator.h',
         'resources/raster_buffer.cc',
         'resources/raster_buffer.h',
         'resources/raster_source.h',
         'resources/raster_source_helper.cc',
         'resources/raster_source_helper.h',
         'resources/raster_tile_priority_queue.cc',
         'resources/raster_tile_priority_queue.h',
         'resources/raster_tile_priority_queue_all.cc',
@@ skipping 176 matching lines @@
         'surfaces/surface_resource_holder.cc',
         'surfaces/surface_resource_holder.h',
         'surfaces/surfaces_export.h',
       ],
       'includes': [
         '../build/android/increase_size_for_speed.gypi',
       ],
     },
   ],
 }