Shared Raster Worker Threads

cc/resources/tile_manager.cc

Index: cc/resources/tile_manager.cc
diff --git a/cc/resources/tile_manager.cc b/cc/resources/tile_manager.cc
old mode 100644
new mode 100755
index 2fbb6d18913b7707cec786033aa24063408833dc..65a07b1b02005563739e4fbd4449e470b1398bd0
--- a/cc/resources/tile_manager.cc
+++ b/cc/resources/tile_manager.cc
@@ -167,7 +167,6 @@ scoped_ptr<base::Value> RasterTaskCompletionStatsAsValue(
 scoped_ptr<TileManager> TileManager::Create(
     TileManagerClient* client,
     ResourceProvider* resource_provider,
-    size_t num_raster_threads,
     RenderingStatsInstrumentation* rendering_stats_instrumentation,
     bool use_map_image,
     size_t max_transfer_buffer_usage_bytes,
@@ -179,13 +178,10 @@ scoped_ptr<TileManager> TileManager::Create(
                       use_map_image ?
                       ImageRasterWorkerPool::Create(
                           resource_provider,
-                          num_raster_threads,
                           map_image_texture_target) :
                       PixelBufferRasterWorkerPool::Create(
                           resource_provider,
-                          num_raster_threads,
                           max_transfer_buffer_usage_bytes),
-                      num_raster_threads,
                       max_raster_usage_bytes,
                       rendering_stats_instrumentation));
 }
@@ -194,7 +190,6 @@ TileManager::TileManager(
     TileManagerClient* client,
     ResourceProvider* resource_provider,
     scoped_ptr<RasterWorkerPool> raster_worker_pool,
-    size_t num_raster_threads,
     size_t max_raster_usage_bytes,
     RenderingStatsInstrumentation* rendering_stats_instrumentation)
     : client_(client),