Fix errors caused by unsafe conversions to/from size_t

third_party/WebKit/Source/core/html/imports/HTMLImportLoader.h

 /*
  * 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 84 matching lines @@
 
     PassRefPtrWillBeRawPtr<CustomElementSyncMicrotaskQueue> microtaskQueue() const;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     HTMLImportLoader(HTMLImportsController*);
 
     // RawResourceClient
     void responseReceived(Resource*, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) override;
-    void dataReceived(Resource*, const char* data, unsigned length) override;
+    void dataReceived(Resource*, const char* data, size_t length) override;
     void notifyFinished(Resource*) override;
     String debugName() const override { return "HTMLImportLoader"; }
 
     // DocumentParserClient
 
     // Called after document parse is complete after DOMContentLoaded was dispatched.
     void notifyParserStopped() override;
 
     State startWritingAndParsing(const ResourceResponse&);
     State finishWriting();
@@ skipping 11 matching lines @@
     WillBeHeapVector<RawPtrWillBeMember<HTMLImportChild>> m_imports;
     State m_state;
     RefPtrWillBeMember<Document> m_document;
     RefPtrWillBeMember<DocumentWriter> m_writer;
     RefPtrWillBeMember<CustomElementSyncMicrotaskQueue> m_microtaskQueue;
 };
 
 } // namespace blink
 
 #endif // HTMLImportLoader_h