SetNeedsRedraw directly when updating a visible tile.

cc/resources/tile_manager.h

 // Copyright 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.
 
 #ifndef CC_RESOURCES_TILE_MANAGER_H_
 #define CC_RESOURCES_TILE_MANAGER_H_
 
 #include <deque>
 #include <queue>
 #include <set>
@@ skipping 34 matching lines @@
   virtual const std::vector<PictureLayerImpl*>& GetPictureLayers() const = 0;
 
   // Called when all tiles marked as required for activation are ready to draw.
   virtual void NotifyReadyToActivate() = 0;
 
   // Called when the visible representation of a tile might have changed. Some
   // examples are:
   // - Tile version initialized.
   // - Tile resources freed.
   // - Tile marked for on-demand raster.
-  virtual void NotifyTileStateChanged(const Tile* tile) = 0;
+  virtual void NotifyTileStateChanged(const Tile* tile, bool visible_tile) = 0;

[enne (OOO), 2014/10/28 18:09:21]

This seems redundant to pass along visible_tile.  You can get this information
from the tile itself?

[enne (OOO), 2014/10/28 18:09:21]

This seems redundant to pass along visible_tile.  You can get this information
from the tile itself?

[danakj, 2014/10/31 20:02:01]

Yes, using manfred's tile->required_to_draw() now instead.

 
   // Given an empty raster tile priority queue, this will build a priority queue
   // that will return tiles in order in which they should be rasterized.
   // Note if the queue was previous built, Reset must be called on it.
   virtual void BuildRasterQueue(RasterTilePriorityQueue* queue,
                                 TreePriority tree_priority) = 0;
 
   // Given an empty eviction tile priority queue, this will build a priority
   // queue that will return tiles in order in which they should be evicted.
   // Note if the queue was previous built, Reset must be called on it.
@@ skipping 210 matching lines @@
   RasterTilePriorityQueue raster_priority_queue_;
   EvictionTilePriorityQueue eviction_priority_queue_;
   bool eviction_priority_queue_is_up_to_date_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_MANAGER_H_