Upgrade AudioRendererAlgorithm to use WSOLA,

Replaces the old and crufty time scaling solution with a
Waveform-Similarity-Overlap-Add (WSOLA) approach.

BUG=40452
TEST=media_unittests, manual performance and functional tests.
R=dalecurtis@chromium.org, marpan@google.com

Review URL: https://codereview.chromium.org/19111004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@220343 0039d316-1c4b-4281-b951-d872f2087c98
6 files changed