cc: Partial tile update for one-copy raster.

cc/resources/tile_task_worker_pool_unittest.cc

Index: cc/resources/tile_task_worker_pool_unittest.cc
diff --git a/cc/resources/tile_task_worker_pool_unittest.cc b/cc/resources/tile_task_worker_pool_unittest.cc
index 34de309356a6556713b0ffc7c8be2d6514da75d6..bc934e6a3c2f110e4d9a1059a94cac8a360ee1f4 100644
--- a/cc/resources/tile_task_worker_pool_unittest.cc
+++ b/cc/resources/tile_task_worker_pool_unittest.cc
@@ -71,7 +71,10 @@ class TestRasterTaskImpl : public RasterTask {
 
   // Overridden from TileTask:
   void ScheduleOnOriginThread(TileTaskClient* client) override {
-    raster_buffer_ = client->AcquireBufferForRaster(resource());
+    // The raster buffer has no tile ids associated with it for partial update,
+    // so doesn't need to provide a valid dirty rect.
+    TileTaskData data(resource(), 0, 0, gfx::Rect());
+    raster_buffer_ = client->AcquireBufferForRaster(data);
   }
   void CompleteOnOriginThread(TileTaskClient* client) override {
     client->ReleaseBufferForRaster(raster_buffer_.Pass());