Correct data size argument type in resource loading path to unsigned

Source/core/loader/WorkerLoaderClientBridge.cpp

 /*
  * Copyright (C) 2014 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 19 matching lines @@
 
 #include "config.h"
 #include "core/loader/WorkerLoaderClientBridge.h"
 
 #include "core/dom/CrossThreadTask.h"
 #include "core/loader/ThreadableLoaderClientWrapper.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerLoaderProxy.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
+#include <limits>
 
 namespace blink {
 
 PassOwnPtr<ThreadableLoaderClient> WorkerLoaderClientBridge::create(PassRefPtr<ThreadableLoaderClientWrapper> client, WorkerLoaderProxy& loaderProxy)
 {
     return adoptPtr(new WorkerLoaderClientBridge(client, loaderProxy));
 }
 
 WorkerLoaderClientBridge::~WorkerLoaderClientBridge()
 {
@@ skipping 18 matching lines @@
 }
 
 void WorkerLoaderClientBridge::didReceiveResponse(unsigned long identifier, const ResourceResponse& response)
 {
     m_loaderProxy.postTaskToWorkerGlobalScope(createCrossThreadTask(&workerGlobalScopeDidReceiveResponse, m_workerClientWrapper, identifier, response));
 }
 
 static void workerGlobalScopeDidReceiveData(ExecutionContext* context, PassRefPtr<ThreadableLoaderClientWrapper> workerClientWrapper, PassOwnPtr<Vector<char> > vectorData)
 {
     ASSERT_UNUSED(context, context->isWorkerGlobalScope());
+    RELEASE_ASSERT(vectorData->size() <= std::numeric_limits<unsigned>::max());
     workerClientWrapper->didReceiveData(vectorData->data(), vectorData->size());
 }
 
-void WorkerLoaderClientBridge::didReceiveData(const char* data, int dataLength)
+void WorkerLoaderClientBridge::didReceiveData(const char* data, unsigned dataLength)
 {
     OwnPtr<Vector<char> > vector = adoptPtr(new Vector<char>(dataLength)); // needs to be an OwnPtr for usage with createCrossThreadTask.
     memcpy(vector->data(), data, dataLength);
     m_loaderProxy.postTaskToWorkerGlobalScope(createCrossThreadTask(&workerGlobalScopeDidReceiveData, m_workerClientWrapper, vector.release()));
 }
 
 static void workerGlobalScopeDidDownloadData(ExecutionContext* context, PassRefPtr<ThreadableLoaderClientWrapper> workerClientWrapper, int dataLength)
 {
     ASSERT_UNUSED(context, context->isWorkerGlobalScope());
     workerClientWrapper->didDownloadData(dataLength);
@@ skipping 61 matching lines @@
     m_loaderProxy.postTaskToWorkerGlobalScope(createCrossThreadTask(&workerGlobalScopeDidFailRedirectCheck, m_workerClientWrapper));
 }
 
 WorkerLoaderClientBridge::WorkerLoaderClientBridge(PassRefPtr<ThreadableLoaderClientWrapper> clientWrapper, WorkerLoaderProxy& loaderProxy)
     : m_workerClientWrapper(clientWrapper)
     , m_loaderProxy(loaderProxy)
 {
 }
 
 } // namespace blink