Fix errors caused by unsafe conversions to/from size_t

third_party/WebKit/Source/core/html/track/vtt/VTTParser.h

 /*
  * Copyright (C) 2011 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 86 matching lines @@
     static bool collectTimeStamp(const String&, double& timeStamp);
 
     // Useful functions for parsing percentage settings.
     static bool parseFloatPercentageValue(VTTScanner& valueScanner, float& percentage);
     static bool parseFloatPercentageValuePair(VTTScanner&, char, FloatPoint&);
 
     // Create the DocumentFragment representation of the WebVTT cue text.
     static PassRefPtrWillBeRawPtr<DocumentFragment> createDocumentFragmentFromCueText(Document&, const String&);
 
     // Input data to the parser to parse.
-    void parseBytes(const char* data, unsigned length);
+    void parseBytes(const char* data, size_t length);
     void flush();
 
     // Transfers ownership of last parsed cues to caller.
     void getNewCues(HeapVector<Member<TextTrackCue>>&);
     void getNewRegions(HeapVector<Member<VTTRegion>>&);
 
     DECLARE_TRACE();
 
 private:
     VTTParser(VTTParserClient*, Document&);
@@ skipping 29 matching lines @@
     VTTParserClient* m_client;
 
     HeapVector<Member<TextTrackCue>> m_cueList;
 
     HeapVector<Member<VTTRegion>> m_regionList;
 };
 
 } // namespace blink
 
 #endif