Index: content/browser/frame_host/navigation_handle_impl.cc |
diff --git a/content/browser/frame_host/navigation_handle_impl.cc b/content/browser/frame_host/navigation_handle_impl.cc |
index ae93eee9f77a981de15ff9d82434a3fe7141a09b..2e525bbe4956a473d0c41d0d2051e1d5801bdef4 100644 |
--- a/content/browser/frame_host/navigation_handle_impl.cc |
+++ b/content/browser/frame_host/navigation_handle_impl.cc |
@@ -665,7 +665,9 @@ void NavigationHandleImpl::Transfer() { |
// transferring, the URLRequest can no longer be cancelled by its original |
// RenderFrame. Instead it will persist until being picked up by the transfer |
// RenderFrame, even if the original RenderFrame is destroyed. |
- BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, transfer_callback_); |
+ // Note: |transfer_callback_| can be null in unit tests. |
+ if (!transfer_callback_.is_null()) |
+ BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, transfer_callback_); |
transfer_callback_.Reset(); |
} |