Index: third_party/WebKit/Source/core/layout/LayoutBlock.h |
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.h b/third_party/WebKit/Source/core/layout/LayoutBlock.h |
index 0a150fea6327184447f5c5450fff0c478887e4eb..f0d393f623809a0d4586f82967b8d9f76df2840f 100644 |
--- a/third_party/WebKit/Source/core/layout/LayoutBlock.h |
+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.h |
@@ -349,7 +349,7 @@ protected: |
// happen after all layout is done, i.e. during updateLayerPositionsAfterLayout. However, |
// that currently fails a layout test. To fix this bug in time for M50, we use this temporary |
// hack. The real fix is tracked in crbug.com/600036 |
- typedef WTF::HashMap<PaintLayerScrollableArea*, DoublePoint> ScrollPositionMap; |
+ typedef PersistentHeapHashMap<Member<PaintLayerScrollableArea>, DoublePoint> ScrollPositionMap; |
static void startDelayUpdateScrollInfo(); |
static bool finishDelayUpdateScrollInfo(SubtreeLayoutScope*, ScrollPositionMap*); |