Merge 77597 - 2011-02-03 Anton Muhin <antonm@chromium.org>...

Source/WebCore/bindings/v8/V8Binding.cpp

Index: Source/WebCore/bindings/v8/V8Binding.cpp
===================================================================
--- Source/WebCore/bindings/v8/V8Binding.cpp	(revision 77826)
+++ Source/WebCore/bindings/v8/V8Binding.cpp	(working copy)
@@ -412,6 +412,13 @@
         throwError(block.Exception());
         return StringImpl::empty();
     }
+    // This path is unexpected.  However there is hypothesis that it
+    // might be combination of v8 and v8 bindings bugs.  For now
+    // just bailout as we'll crash if attempt to convert empty handle into a string.
+    if (v8String.IsEmpty()) {
+        ASSERT_NOT_REACHED();
+        return StringImpl::empty();
+    }
     return v8StringToWebCoreString<String>(v8String, DoNotExternalize);
 }