Bug 856119 - Web content covered by the tab strip should not be active r=mbrubeck

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extra : rebase_source : 4336940c2a4d8fb82dde72d323eb3eebacddffcd
Bug 851344 - Extend the duration of the tab bar showing when the user opens a link in a new tab r=mbrubeck

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extra : rebase_source : 434e4215947e3072eb8b35928e9a493a5c9a33e6
Bug 890006: Dynamic toolbar scrolling causing BrowserToolbar to show its background. [r=mfinkle]