Re-land: cc: Cleanup internal::WorkerPoolTaskClient interface.

cc/resources/raster_worker_pool_perftest.cc

Index: cc/resources/raster_worker_pool_perftest.cc
diff --git a/cc/resources/raster_worker_pool_perftest.cc b/cc/resources/raster_worker_pool_perftest.cc
index c76ec43bd392e096544e80aab078495aa9a8c333..a8867f15b0b374030c867ef58b2e0475f823d6ee 100644
--- a/cc/resources/raster_worker_pool_perftest.cc
+++ b/cc/resources/raster_worker_pool_perftest.cc
@@ -71,12 +71,12 @@ class PerfRasterWorkerPoolTaskImpl : public internal::RasterWorkerPoolTask {
   // Overridden from internal::WorkerPoolTask:
   virtual void ScheduleOnOriginThread(internal::WorkerPoolTaskClient* client)
       OVERRIDE {
-    client->AcquireCanvasForRaster(this);
+    client->AcquireCanvasForRaster(this, resource());
   }
   virtual void RunOnOriginThread() OVERRIDE {}
   virtual void CompleteOnOriginThread(internal::WorkerPoolTaskClient* client)
       OVERRIDE {
-    client->OnRasterCompleted(this, PicturePileImpl::Analysis());
+    client->ReleaseCanvasForRaster(this, resource());
   }
   virtual void RunReplyOnOriginThread() OVERRIDE { Reset(); }