Bug 1396395 - Part 1, resume input pump after callback finished. r?dragana OnStartRequest callback chain is interrupted by add-on during the "http-on-modify-request" observer event. Therefore, nsInputStreamPump think OnStartRequest is finished. After resuming http channel, nsHttpChannel asynchronously continue the OnStartRequest procedure and synchronously resume the nsInputStreamPump. Before nsDocumentOpenInfo invoke the next OnStartRequest on the listener chain, sync XHR in web content is executed on the call stack. This will spin main thread event queue and will eventually callback OnDataAvailable/OnStopRequest on the same call stack. nsHttpChannel should not resume the nsInputStreamPump before |mCallOnResume| is complete, to ensure that no input stream event can interrupt the resumed call stack before it finished. MozReview-Commit-ID: 6Q9EtMhcff9

Bug 1305563 - Add a `BufferedBookmarksEngine` that can be toggled with a pref. MozReview-Commit-ID: 7idBa03kOzm

Bug 1305563 - Add a bookmark buffer and two-way merger for synced bookmarks. MozReview-Commit-ID: MbeFQUargt

Bug 1305563 - Prepare existing bookmark engine tests for new buffered engine. MozReview-Commit-ID: 2HIkdPOuWOy

Bug 1305563 - Add `mozIAsyncLivemarks.invalidateCachedLivemarks`. MozReview-Commit-ID: 8R7N6ORxrtV

Bug 1305563 - Expose `PlacesUtils.history.hashURL`. MozReview-Commit-ID: C4Zj4FyMZpq

Bug 1397853 - Enable py2 and py3 linter on testing/mochitest. r?ahal MozReview-Commit-ID: EhkNhyFHDox

Bug 1389424 - enable onboarding telemetry via ping-centre;r=fischer,timdream,emtwo,liuche MozReview-Commit-ID: KWRCnD4lFh9

Bug 1401071 - move fallible memory allocation github instead of including source and other nits. r?kinetik MozReview-Commit-ID: K0dwDt6PEU

Bug 1401314 - Flip the search box images in the preferences when Firefox is running in RTL mode. r?gijs MozReview-Commit-ID: DUGDnNDFvFc

Bug 1402728 - Use RefPtr<TrackBuffersManager> instead of raw pointers - r?jya All in MediaSourceDemuxer: - GetManager returns a RefPtr<TBM>. Probably unneeded as the only call stores the pointer in a RefPtr, but I'm adding it for peace of mind, and it's very low cost. - AttachSourceBuffer explicitly stores the given TBM in a RefPtr in the dispatched task, then DoAttachSourceBuffer takes a RefPtr<TBM>&&. This should not be needed, as it should already be done implicitly. But now it's more obvious, and a bit more optimized thanks to move semantics. - DetachSourceBuffer explicitly stores the given TBM in a RefPtr in the dispatched task, then DoDetachSourceBuffer takes a RefPtr<TBM>&&; And changed the loop to use RemoveElementsBy. Same as above, probably not needed, but it's now obvious that we keep a RefPtr. MozReview-Commit-ID: 9aOZtV7uS1P

Bug 1364333 - remove leftover code and strings from standalone about:addons UI r?rhelmer MozReview-Commit-ID: SmDGrX0fz5

Bug 1383974 - Part 4: Modify test for tooltip for animation-timing-function. r?pbro MozReview-Commit-ID: BYr5dLw61DZ

Bug 1383974 - Part 3: Display animation-timing-function if CSS Animations. r?pbro MozReview-Commit-ID: CwtdijaEsae

Bug 1383974 - Part 2: Add tests for easing hint in keyframes. r?pbro MozReview-Commit-ID: BgE6EzrRSl0

Bug 1383974 - Part 1: Display easing in keyframes. r?pbro MozReview-Commit-ID: 8pIUMAurfS3

merge autoland to mozilla-central. r=merge a=fix-for-a-regression MozReview-Commit-ID: 8YCBWcsytsJ

servo: Merge #18609 - stylo: Animate font-size as NonNegativeLength (from Manishearth:fs-anim); r=emilio Otherwise it doesn't clamp correctly and fails layout/style/test/test_transitions_per_property.html Source-Repo: https://github.com/servo/servo Source-Revision: 216f64e4e1033dd179d3657f300bfc9be58ed3f1

Bug 1402728 - Use RefPtr<TrackBuffersManager> instead of raw pointers - r?jya All in MediaSourceDemuxer: - GetManager returns a RefPtr<TBM>. Probably unneeded as the only call stores the pointer in a RefPtr, but I'm adding it for peace of mind, and it's very low cost. - AttachSourceBuffer stores the given TBM in a RefPtr in the dispatched task, then DoAttachSourceBuffer takes a RefPtr<TBM>&&. This one might actually be needed, to ensure that the given TBM cannot be destroyed between the dispatch and the task running. There should be a tiny cost: Though the TBM is AddRef'd early, it means we don't AddRef it in the task (thanks to Move); the only cost is a nullptr check in the added ~RefPtr() in the task. - DetachSourceBuffer stores the given TBM in a RefPtr in the dispatched task, then DoDetachSourceBuffer takes a RefPtr<TBM>&&; And changed the loop to a safer RemoveElementsBy. Most likely not needed, but cheap enough for the extra peace of mind (that the TBM won't be destroyed during task transit). MozReview-Commit-ID: 9aOZtV7uS1P

Bug 1263722 - Add PerformanceNavigationTiming to test_interfaces.js r=baku MozReview-Commit-ID: 4PQcnk0B3q3 * * * [mq]: test.patch MozReview-Commit-ID: Gy6LyHLUWxW