cc: Generalize raster task notifications

cc/resources/rasterizer.cc

Index: cc/resources/rasterizer.cc
diff --git a/cc/resources/rasterizer.cc b/cc/resources/rasterizer.cc
index a1dbffcbf6a1a2f253f2ba243b7f72c5e83f1017..be94ab80eae27ab55b2d089704dbaabc991b818b 100644
--- a/cc/resources/rasterizer.cc
+++ b/cc/resources/rasterizer.cc
@@ -56,8 +56,10 @@ RasterTask::~RasterTask() {}
 
 RasterTask* RasterTask::AsRasterTask() { return this; }
 
-RasterTaskQueue::Item::Item(RasterTask* task, bool required_for_activation)
-    : task(task), required_for_activation(required_for_activation) {}
+RasterTaskQueue::Item::Item(RasterTask* task,
+                            const TaskSetCollection& task_sets)
+    : task(task), task_sets(task_sets) {

[reveman, 2014/09/17 20:46:28]

Can you add a DCHECK(item.task_sets.any()) here for now unless there's a valid
use case for having a task not be part of any task set?

[ernstm, 2014/09/17 21:44:25]

Done.

+}
 
 RasterTaskQueue::Item::~Item() {}