Fix errors caused by unsafe conversions to/from size_t

third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp

 /*
  * Copyright (C) 2013 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 230 matching lines @@
     }
 
     loadShadowPage();
 }
 
 void WebEmbeddedWorkerImpl::loadShadowPage()
 {
     // Construct substitute data source for the 'shadow page'. We only need it
     // to have same origin as the worker so the loading checks work correctly.
     CString content("");
-    int length = static_cast<int>(content.length());
-    RefPtr<SharedBuffer> buffer(SharedBuffer::create(content.data(), length));
+    RefPtr<SharedBuffer> buffer(SharedBuffer::create(content.data(), content.length()));
     m_loadingShadowPage = true;
     m_mainFrame->frame()->loader().load(FrameLoadRequest(0, ResourceRequest(m_workerStartData.scriptURL), SubstituteData(buffer, "text/html", "UTF-8", KURL())));
 }
 
 void WebEmbeddedWorkerImpl::willSendRequest(
     WebLocalFrame* frame, unsigned, WebURLRequest& request,
     const WebURLResponse& redirectResponse)
 {
     if (m_networkProvider)
         m_networkProvider->willSendRequest(frame->dataSource(), request);
@@ skipping 94 matching lines @@
     m_mainScriptLoader.clear();
 
     m_workerGlobalScopeProxy = ServiceWorkerGlobalScopeProxy::create(*this, *document, *m_workerContextClient);
     m_loaderProxy = WorkerLoaderProxy::create(this);
     m_workerThread = ServiceWorkerThread::create(m_loaderProxy, *m_workerGlobalScopeProxy);
     m_workerThread->start(startupData.release());
     m_workerInspectorProxy->workerThreadCreated(document, m_workerThread.get(), scriptURL);
 }
 
 } // namespace blink