Reset record button into initial state if current profile has been removed

If profile being recorded is removed record button in the Profile panel's sidebar and in the launcher view is reset to the initial state and profile recording ceases.

BUG=329496
R=loislo@chromium.org

Review URL: https://codereview.chromium.org/105213005

git-svn-id: svn://svn.chromium.org/blink/trunk@164096 bbb929c8-8fbe-4397-9dbb-9b2b20218538