Reland "media/track: Replace wtf/Assertions.h macros in favor of base/logging.h macros"

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

 /*
  * Copyright (C) 2013, Opera Software ASA. 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 37 matching lines @@
     DISALLOW_NEW();
     WTF_MAKE_NONCOPYABLE(BufferedLineReader);
 public:
     BufferedLineReader()
         : m_endOfStream(false)
         , m_maybeSkipLF(false) { }
 
     // Append data to the internal buffer.
     void append(const String& data)
     {
-        ASSERT(!m_endOfStream);
+        DCHECK(!m_endOfStream);
         m_buffer.append(SegmentedString(data));
     }
 
     // Indicate that no more data will be appended. This will cause any
     // potentially "unterminated" line to be returned from getLine.
     void setEndOfStream() { m_endOfStream = true; }
 
     // Attempt to read a line from the internal buffer (fed via append).
     // If successful, true is returned and |line| is set to the line that was
     // read. If no line could be read false is returned.
     bool getLine(String& line);
 
     // Returns true if EOS has been reached proper.
     bool isAtEndOfStream() const { return m_endOfStream && m_buffer.isEmpty(); }
 
 private:
     // Consume the next character the buffer if it is the character |c|.
     void scanCharacter(UChar c)
     {
-        ASSERT(!m_buffer.isEmpty());
+        DCHECK(!m_buffer.isEmpty());
         if (m_buffer.currentChar() == c)
             m_buffer.advance();
     }
 
     SegmentedString m_buffer;
     StringBuilder m_lineBuffer;
     bool m_endOfStream;
     bool m_maybeSkipLF;
 };
 
 } // namespace blink
 
 #endif