Merge 77705 - 2011-02-04 Charlie Reis <creis@chromium.org>...

Source/WebKit/chromium/src/WebFrameImpl.cpp

Index: Source/WebKit/chromium/src/WebFrameImpl.cpp
===================================================================
--- Source/WebKit/chromium/src/WebFrameImpl.cpp	(revision 77734)
+++ Source/WebKit/chromium/src/WebFrameImpl.cpp	(working copy)
@@ -884,17 +884,6 @@
     RefPtr<HistoryItem> historyItem = PassRefPtr<HistoryItem>(item);
     ASSERT(historyItem.get());
 
-    // Sanity check for http://webkit.org/b/52819.  It appears that some child
-    // items of this item might be null.  Try validating just the first set of
-    // children in an attempt to catch it early.
-    const HistoryItemVector& childItems = historyItem->children();
-    int size = childItems.size();
-    for (int i = 0; i < size; ++i) {
-      RefPtr<HistoryItem> childItem = childItems[i].get();
-      if (!childItem.get())
-        CRASH();
-    }
-
     // If there is no currentItem, which happens when we are navigating in
     // session history after a crash, we need to manufacture one otherwise WebKit
     // hoarks. This is probably the wrong thing to do, but it seems to work.