Remove dead code for reflected attributes on <audio>, <video> and <track>

Where [Reflect] is used in the IDL, the getters and setters in C++ are
only for internal convenience, and these were unused.

BUG=none

Review URL: https://codereview.chromium.org/41343003

git-svn-id: svn://svn.chromium.org/blink/trunk@160637 bbb929c8-8fbe-4397-9dbb-9b2b20218538
6 files changed
tree: 294ef0d47a3d12b6fb03edc656221830c2ec28e7
  1. third_party/