DevTools: Timeline: do not force lazyTimelineView to be created.
DevTools: Timeline: do not force lazyTimelineView to be created.

Otherwise it is creating right from the constructor.

BUG=

Review URL: https://codereview.chromium.org/364153002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@177479 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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