Select CPU profile when it is finished

BUG=327633
R=loislo@chromium.org

Review URL: https://codereview.chromium.org/105903004

git-svn-id: svn://svn.chromium.org/blink/trunk@163763 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Timeline: fix text in record details shown as [object Text]

R=pfeldman

BUG=327882

Review URL: https://codereview.chromium.org/113713002

git-svn-id: svn://svn.chromium.org/blink/trunk@163764 bbb929c8-8fbe-4397-9dbb-9b2b20218538