Don't be so CRASH happy in the bindings layer.

WebCore/bindings/v8/custom/V8CustomSQLStatementErrorCallback.cpp

 /*
  * Copyright (c) 2009, Google Inc. All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  * 
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 41 matching lines @@
 
     v8::Handle<v8::Context> v8Context = toV8Context(scriptExecutionContext(), m_worldContext);
     if (v8Context.IsEmpty())
         return true;
 
     v8::Context::Scope scope(v8Context);
 
     v8::Handle<v8::Value> transactionHandle = toV8(transaction);
     v8::Handle<v8::Value> errorHandle = toV8(error);
     if (transactionHandle.IsEmpty() || errorHandle.IsEmpty()) {
-        CRASH();
+        if (!isScriptControllerTerminating())
+            CRASH();
         return true;
     }
 
     v8::Handle<v8::Value> argv[] = {
         transactionHandle,
         errorHandle
     };
 
     bool callbackReturnValue = false;
     // Step 6: If the error callback returns false, then move on to the next
     // statement, if any, or onto the next overall step otherwise. Otherwise,
     // the error callback did not return false, or there was no error callback.
     // Jump to the last step in the overall steps.
     return invokeCallback(m_callback, 2, argv, callbackReturnValue, scriptExecutionContext()) || callbackReturnValue;
 }
 
 } // namespace WebCore
 
 #endif