cc: Check for completed raster tasks at interval.

cc/tile_manager.h

Index: cc/tile_manager.h
diff --git a/cc/tile_manager.h b/cc/tile_manager.h
index d5590365d45fae7f57c20ad7c05f43d373daea4c..8c623875a33c4a2c2159b097d59d0c4b021490f9 100644
--- a/cc/tile_manager.h
+++ b/cc/tile_manager.h
@@ -151,7 +151,9 @@ class CC_EXPORT TileManager {
   void DispatchOneImageDecodeTask(
       scoped_refptr<Tile> tile, skia::LazyPixelRef* pixel_ref);
   void OnImageDecodeTaskCompleted(
-      scoped_refptr<Tile> tile, uint32_t pixel_ref_id);
+      scoped_refptr<Tile> tile,
+      uint32_t pixel_ref_id,
+      bool more_tasks_completed);
   bool CanDispatchRasterTask(Tile* tile);
   scoped_ptr<ResourcePool::Resource> PrepareTileForRaster(Tile* tile);
   void DispatchOneRasterTask(scoped_refptr<Tile> tile);
@@ -163,7 +165,8 @@ class CC_EXPORT TileManager {
   void OnRasterTaskCompleted(
       scoped_refptr<Tile> tile,
       scoped_ptr<ResourcePool::Resource> resource,
-      int manage_tiles_call_count_when_dispatched);
+      int manage_tiles_call_count_when_dispatched,
+      bool more_tasks_completed);

[nduca, 2013/02/13 08:29:32]

might tweak the name, i cant quite tell if this means more_tasks_will_come or
there_are_no_more_tasks_that_will_arrive :)

[reveman, 2013/02/13 08:46:38]

more_tasks_have_completed?

   void DidFinishTileInitialization(Tile* tile);
   void DidTileRasterStateChange(Tile* tile, TileRasterState state);
   void DidTileBinChange(Tile* tile,
@@ -203,9 +206,12 @@ class CC_EXPORT TileManager {
   typedef base::hash_map<uint32_t, skia::LazyPixelRef*> PixelRefMap;
   PixelRefMap pending_decode_tasks_;
 
+  size_t bytes_pending_raster_;
+
   typedef std::queue<scoped_refptr<Tile> > TileQueue;
   TileQueue tiles_with_pending_set_pixels_;
   size_t bytes_pending_set_pixels_;
+  bool need_shallow_flush_;
   bool ever_exceeded_memory_budget_;
   MemoryHistory::Entry memory_stats_from_last_assign_;