Allow sites to enable 'window.onerror' handlers for cross-domain scripts.

Source/bindings/v8/WorkerScriptController.cpp

 /*
  * Copyright (C) 2009, 2012 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 149 matching lines @@
         return ScriptValue();
     }
 
     if (block.HasCaught()) {
         v8::Local<v8::Message> message = block.Message();
         state->hadException = true;
         state->errorMessage = toWebCoreString(message->Get());
         state->lineNumber = message->GetLineNumber();
         state->columnNumber = message->GetStartColumn();
         state->sourceURL = toWebCoreString(message->GetScriptResourceName());
-        if (m_workerGlobalScope->sanitizeScriptError(state->errorMessage, state->lineNumber, state->columnNumber, state->sourceURL))
-            state->exception = throwError(v8GeneralError, state->errorMessage.utf8().data(), m_isolate);
+        if (m_workerGlobalScope->shouldSanitizeScriptError(state->sourceURL, NotSharableCrossOrigin))
+            state->exception = throwError(v8GeneralError, "Script error.", m_isolate);
         else
             state->exception = ScriptValue(block.Exception());
 
         block.Reset();
     } else
         state->hadException = false;
 
     if (result.IsEmpty() || result->IsUndefined())
         return ScriptValue();
 
     return ScriptValue(result);
 }
 
 void WorkerScriptController::evaluate(const ScriptSourceCode& sourceCode, ScriptValue* exception)
 {
     if (isExecutionForbidden())
         return;
 
     WorkerGlobalScopeExecutionState state;
     evaluate(sourceCode.source(), sourceCode.url().string(), sourceCode.startPosition(), &state);
     if (state.hadException) {
         if (exception) {
             *exception = state.exception;
         } else {
             RefPtr<ErrorEvent> event = ErrorEvent::create(state.errorMessage, state.sourceURL, state.lineNumber, state.columnNumber);
-            m_workerGlobalScope->reportException(event, 0);
+            m_workerGlobalScope->reportException(event, 0, NotSharableCrossOrigin);
         }
     }
 }
 
 void WorkerScriptController::scheduleExecutionTermination()
 {
     // The mutex provides a memory barrier to ensure that once
     // termination is scheduled, isExecutionTerminating will
     // accurately reflect that state when called from another thread.
     {
@@ skipping 41 matching lines @@
     v8::Handle<v8::Object> global = context->Global();
     global = global->FindInstanceInPrototypeChain(V8WorkerGlobalScope::GetTemplate(context->GetIsolate(), WorkerWorld));
     // Return 0 if the current executing context is not the worker context.
     if (global.IsEmpty())
         return 0;
     WorkerGlobalScope* workerGlobalScope = V8WorkerGlobalScope::toNative(global);
     return workerGlobalScope->script();
 }
 
 } // namespace WebCore