Fix Blink commit type for subframes after initial about:blank load.

Source/core/loader/NavigationScheduler.cpp

Index: Source/core/loader/NavigationScheduler.cpp
diff --git a/Source/core/loader/NavigationScheduler.cpp b/Source/core/loader/NavigationScheduler.cpp
index 2ac74b8ed38c84b0d4aca49c8d1f9eb81f40c468..4b1fb07e33e8559495350402124c4404cdaac7c9 100644
--- a/Source/core/loader/NavigationScheduler.cpp
+++ b/Source/core/loader/NavigationScheduler.cpp
@@ -296,9 +296,9 @@ bool NavigationScheduler::mustLockBackForwardList(LocalFrame* targetFrame)
     //  "If the browsing context's session history contains only one Document,
     //   and that was the about:blank Document created when the browsing context
     //   was created, then the navigation must be done with replacement enabled."
-    if (!targetFrame->loader().stateMachine()->committedMultipleRealLoads()
-        && equalIgnoringCase(targetFrame->document()->url(), blankURL()))
-        return true;
+    // if (!targetFrame->loader().stateMachine()->committedMultipleRealLoads()

[Charlie Reis, 2015/06/09 07:14:18]

I'll remove this if you think this approach is sane.

[Charlie Reis, 2015/06/11 16:43:48]

Done.

+    //     && equalIgnoringCase(targetFrame->document()->url(), blankURL()))
+    //     return true;
 
     // Navigation of a subframe during loading of an ancestor frame does not create a new back/forward item.
     // The definition of "during load" is any time before all handlers for the load event have been run.