Report V8 execution termination in a worker as an error.

Source/bindings/core/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 198 matching lines @@
         m_disableEvalPending = String();
     }
 
     v8::TryCatch block;
 
     v8::Handle<v8::String> scriptString = v8String(m_isolate, script);
     v8::Handle<v8::Script> compiledScript = V8ScriptRunner::compileScript(scriptString, fileName, scriptStartPosition, m_isolate, nullptr, nullptr, cacheHandler, SharableCrossOrigin, v8CacheOptions);
     v8::Local<v8::Value> result = V8ScriptRunner::runCompiledScript(m_isolate, compiledScript, &m_workerGlobalScope);
 
     if (!block.CanContinue()) {
-        m_workerGlobalScope.script()->forbidExecution();
+        forbidExecution();
         return ScriptValue();
     }
 
     if (block.HasCaught()) {
         v8::Local<v8::Message> message = block.Message();
         m_globalScopeExecutionState->hadException = true;
         m_globalScopeExecutionState->errorMessage = toCoreString(message->Get());
         m_globalScopeExecutionState->lineNumber = message->GetLineNumber();
         m_globalScopeExecutionState->columnNumber = message->GetStartColumn() + 1;
         TOSTRING_DEFAULT(V8StringResource<>, sourceURL, message->GetScriptOrigin().ResourceName(), ScriptValue());
@@ skipping 10 matching lines @@
     return ScriptValue(m_scriptState.get(), result);
 }
 
 bool WorkerScriptController::evaluate(const ScriptSourceCode& sourceCode, RefPtrWillBeRawPtr<ErrorEvent>* errorEvent, CachedMetadataHandler* cacheHandler, V8CacheOptions v8CacheOptions)
 {
     if (isExecutionForbidden())
         return false;
 
     WorkerGlobalScopeExecutionState state(this);
     evaluate(sourceCode.source(), sourceCode.url().string(), sourceCode.startPosition(), cacheHandler, v8CacheOptions);
+    if (isExecutionForbidden())
+        return false;
     if (state.hadException) {
         if (errorEvent) {
             if (state.m_errorEventFromImportedScript) {
                 // Propagate inner error event outwards.
                 *errorEvent = state.m_errorEventFromImportedScript.release();
                 return false;
             }
             if (m_workerGlobalScope.shouldSanitizeScriptError(state.sourceURL, NotSharableCrossOrigin))
                 *errorEvent = ErrorEvent::createSanitizedError(m_world.get());
             else
@@ skipping 51 matching lines @@
 
 void WorkerScriptController::rethrowExceptionFromImportedScript(PassRefPtrWillBeRawPtr<ErrorEvent> errorEvent, ExceptionState& exceptionState)
 {
     const String& errorMessage = errorEvent->message();
     if (m_globalScopeExecutionState)
         m_globalScopeExecutionState->m_errorEventFromImportedScript = errorEvent;
     exceptionState.rethrowV8Exception(V8ThrowException::createGeneralError(m_isolate, errorMessage));
 }
 
 } // namespace blink