cc: Start using raster/eviction iterators in tile manager

cc/resources/tile.cc

Index: cc/resources/tile.cc
diff --git a/cc/resources/tile.cc b/cc/resources/tile.cc
index d59dc029ccc1ca88b0160f3ded59c245a25d5e40..8e4f255aebd8348729edb8e43f4b81ef75e354ea 100644
--- a/cc/resources/tile.cc
+++ b/cc/resources/tile.cc
@@ -48,7 +48,6 @@ void Tile::SetPriority(WhichTree tree, const TilePriority& priority) {
     return;

[reveman, 2014/06/14 14:53:24]

I don't think this early out makes sense anymore.

[vmpstr, 2014/06/16 18:18:19]

Done.

 
   priority_[tree] = priority;
-  tile_manager_->DidChangeTilePriority(this);
 }
 
 void Tile::MarkRequiredForActivation() {
@@ -56,7 +55,6 @@ void Tile::MarkRequiredForActivation() {
     return;

[reveman, 2014/06/14 14:53:24]

neither does this one

[vmpstr, 2014/06/16 18:18:19]

Done.

 
   priority_[PENDING_TREE].required_for_activation = true;
-  tile_manager_->DidChangeTilePriority(this);
 }
 
 scoped_ptr<base::Value> Tile::AsValue() const {