Revert "Remove deprecated methods from WebMediaPlayer"
Revert "Remove deprecated methods from WebMediaPlayer"

r151982 broke Chrome OS build that still references these methods.

TBR=abarth
NOTRY=true

Review URL: https://codereview.chromium.org/16507011

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@151983 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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