cc: Remove ScheduleOnOriginThread() and CompleteOnOriginThread().

cc/tiles/software_image_decode_controller.h

Index: cc/tiles/software_image_decode_controller.h
diff --git a/cc/tiles/software_image_decode_controller.h b/cc/tiles/software_image_decode_controller.h
index 01a73e6a7e439aabfa75be0dd4d90d7ff222164e..a3d454e38de3ae4967682e593ea64448d5371154 100644
--- a/cc/tiles/software_image_decode_controller.h
+++ b/cc/tiles/software_image_decode_controller.h
@@ -119,6 +119,8 @@ class CC_EXPORT SoftwareImageDecodeController
   // Software doesn't keep outstanding images pinned, so this is a no-op.
   void SetShouldAggressivelyFreeResources(
       bool aggressively_free_resources) override {}
+  void OnImageDecodeTaskCompleted(TileTask* task) override;
+  void OnImageUploadTaskCompleted(TileTask* task) override {}
 
   // Decode the given image and store it in the cache. This is only called by an
   // image decode task from a worker thread.