Previously the Parser class had an internal function to parse
the character stream into separate lines. This functionality
was separated out into its own class, LineReader, in order
to make this functionality available to clients too.
Change-Id: Ic5a1b0b73d7a253cf21cb6b4804b4941fd69c8ab
A few adjustments we made such that the webvttparser
now conforms more closely to the Google C++ style guide.
Change-Id: Iefb2242678ceea6ab5b9daa3a046980deb6cd91c
