bug 760642: Speed improvements for IonAssemblerBuffer (r=jbramley)
* Use a doubly linked list rather than one list for keeping track of the chunks
* Add a hueristic to determine whether we do lookups from the front of the list or the back
bug 760642: Use a finger to make instruction lookups nearly instantaneous (r=jbramley)
Bug 887020: Remove mLayout from BrowserToolbar. [r=mfinkle]
Bug 855888: Remove "Gecko." namespace in XML files. [r=bnicholson]
Bug 887572: Kill GeckoViewsFactory. [r=bnicholson]
Bug 781018 - Collect telemetry information about the number of websites a user visits with Mixed Active/Passive Content. r=smaug

--HG--
extra : rebase_source : d06dd4b07cb68c7dc5b36ab05f6bf8d6bb2a1924