cc: Adding support for RGBA_4444 tile textures

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
index 3d1ce0be9867c876356d931dbf169aaddcef0005..4fc6d8e2056b5d578f6f155ad48281d54aea713a 100644
--- a/cc/resources/tile_manager.cc
+++ b/cc/resources/tile_manager.cc
@@ -125,7 +125,8 @@ scoped_ptr<TileManager> TileManager::Create(
     size_t num_raster_threads,
     RenderingStatsInstrumentation* rendering_stats_instrumentation,
     bool use_map_image,
-    size_t max_transfer_buffer_usage_bytes) {
+    size_t max_transfer_buffer_usage_bytes,
+    bool use_rgba_4444_tiles) {
   return make_scoped_ptr(
       new TileManager(client,
                       resource_provider,
@@ -135,7 +136,9 @@ scoped_ptr<TileManager> TileManager::Create(
                       PixelBufferRasterWorkerPool::Create(
                           resource_provider,
                           num_raster_threads,
-                          max_transfer_buffer_usage_bytes),
+                          max_transfer_buffer_usage_bytes,
+                          resource_provider->best_tile_texture_format(
+                              use_rgba_4444_tiles)),
                       num_raster_threads,
                       rendering_stats_instrumentation));
 }