Paint low-res tiles without expensive filters.

cc/tile_manager.h

Index: cc/tile_manager.h
diff --git a/cc/tile_manager.h b/cc/tile_manager.h
index 005c42f79a2d6530da91fb8f70a3cd3d4c724358..d744cb0cbb0fd4c58ef6a4e1d23d6671ebe996a3 100644
--- a/cc/tile_manager.h
+++ b/cc/tile_manager.h
@@ -168,6 +168,7 @@ class CC_EXPORT TileManager {
                             const gfx::Rect& rect,
                             float contents_scale,
                             bool use_cheapness_estimator,
+                            bool simplify_paint,
                             PicturePileImpl* picture_pile,
                             RenderingStats* stats);
   static void RunImageDecodeTask(skia::LazyPixelRef* pixel_ref,
@@ -176,6 +177,8 @@ class CC_EXPORT TileManager {
   static void RecordCheapnessPredictorResults(bool is_predicted_cheap,
                                               bool is_actually_cheap);
 
+  bool ShouldSimplifyPaint(Tile* tile);
+
   TileManagerClient* client_;
   scoped_ptr<ResourcePool> resource_pool_;
   scoped_ptr<RasterWorkerPool> raster_worker_pool_;