Index: Source/core/page/Page.cpp |
diff --git a/Source/core/page/Page.cpp b/Source/core/page/Page.cpp |
index 1a4b76b9ca4f2adc2e8b74d815bb825e90d57247..e3fdb94e9a667954ae50c91c4a25a4c950e3e96c 100644 |
--- a/Source/core/page/Page.cpp |
+++ b/Source/core/page/Page.cpp |
@@ -202,7 +202,8 @@ PassRefPtrWillBeRawPtr<ClientRectList> Page::nonFastScrollableRects(const LocalF |
void Page::setMainFrame(Frame* mainFrame) |
{ |
- ASSERT(!m_mainFrame); // Should only be called during initialization |
+ // Should only be called during initialization or swaps between local and remote frames. |
+ ASSERT(!m_mainFrame || m_mainFrame->isLocalFrame() != mainFrame->isLocalFrame()); |
m_mainFrame = mainFrame; |
} |