Update from https://crrev.com/320343

cc/output/bsp_tree.cc

Index: cc/output/bsp_tree.cc
diff --git a/cc/output/bsp_tree.cc b/cc/output/bsp_tree.cc
index f2318ce95a9ad10aaef60ab718fad4e17dfd64ae..4eb87cb95d28fa65f003302a7535887da7747be9 100644
--- a/cc/output/bsp_tree.cc
+++ b/cc/output/bsp_tree.cc
@@ -62,10 +62,9 @@ void BspTree::BuildTree(BspNode* node,
         scoped_ptr<DrawPolygon> polygon;
         scoped_ptr<DrawPolygon> new_front;
         scoped_ptr<DrawPolygon> new_back;
-        bool split_result = false;
         // Time to split this geometry, *it needs to be split by node_data.
         polygon = polygon_list->take_front();
-        split_result =
+        bool split_result =
             polygon->Split(*(node->node_data), &new_front, &new_back);
         DCHECK(split_result);
         if (!split_result) {