Fix errors caused by unsafe conversions to/from size_t

third_party/WebKit/Source/core/fetch/ScriptResource.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
@@ skipping 50 matching lines @@
 ScriptResource::~ScriptResource()
 {
 }
 
 void ScriptResource::didAddClient(ResourceClient* client)
 {
     ASSERT(client->resourceClientType() == ScriptResourceClient::expectedType());
     Resource::didAddClient(client);
 }
 
-void ScriptResource::appendData(const char* data, unsigned length)
+void ScriptResource::appendData(const char* data, size_t length)
 {
     Resource::appendData(data, length);
     ResourceClientWalker<ScriptResourceClient> walker(m_clients);
     while (ScriptResourceClient* client = walker.next())
         client->notifyAppendData(this);
 }
 
 void ScriptResource::onMemoryDump(WebMemoryDumpLevelOfDetail levelOfDetail, WebProcessMemoryDump* memoryDump) const
 {
     Resource::onMemoryDump(levelOfDetail, memoryDump);
@@ skipping 38 matching lines @@
 
 bool ScriptResource::mustRefetchDueToIntegrityMetadata(const FetchRequest& request) const
 {
     if (request.integrityMetadata().isEmpty())
         return false;
 
     return !IntegrityMetadata::setsEqual(m_integrityMetadata, request.integrityMetadata());
 }
 
 } // namespace blink