Index: third_party/WebKit/Source/core/editing/commands/UndoStack.cpp |
diff --git a/third_party/WebKit/Source/core/editing/commands/UndoStack.cpp b/third_party/WebKit/Source/core/editing/commands/UndoStack.cpp |
index 778e50f556ffbc4e5bc36735d705130aae9856a5..7c50a2942978072a03f64afddd4fc47f45682075 100644 |
--- a/third_party/WebKit/Source/core/editing/commands/UndoStack.cpp |
+++ b/third_party/WebKit/Source/core/editing/commands/UndoStack.cpp |
@@ -63,23 +63,12 @@ void UndoStack::registerRedoStep(UndoStep* step) |
m_redoStack.append(step); |
} |
-void UndoStack::didUnloadFrame(const LocalFrame& frame) |
+void UndoStack::didUnloadFrame() |
{ |
+ // TODO(xiaochengh): What's the use of this scope? Can we remove it? |
yosin_UTC9
2016/07/01 09:21:21
This event scope to prevent JavaScript event handl
Xiaocheng
2016/07/04 06:29:23
Thanks. This method is removed.
|
EventDispatchForbiddenScope assertNoEventDispatch; |
- filterOutUndoSteps(m_undoStack, frame); |
- filterOutUndoSteps(m_redoStack, frame); |
-} |
- |
-void UndoStack::filterOutUndoSteps(UndoStepStack& stack, const LocalFrame& frame) |
-{ |
- UndoStepStack newStack; |
- while (!stack.isEmpty()) { |
- UndoStep* step = stack.first().get(); |
- if (!step->belongsTo(frame)) |
- newStack.append(step); |
- stack.removeFirst(); |
- } |
- stack.swap(newStack); |
+ m_undoStack.clear(); |
+ m_redoStack.clear(); |
} |
bool UndoStack::canUndo() const |