(no bug) Fix indentation of multi-line std::max invocations in nsFlexContainerFrame. Whitespace-only, DONTBUILD
No bug, Automated blocklist update from host bld-linux64-ec2-620 - a=blocklist-update
Merge last green mozilla-inbound into mozilla-central.
Merge last pgo-clean changeset to mozilla-central.
Merge the last PGO-really-clean cset on mozilla-inbound to mozilla-central on a CLOSED TREE
Bug 853340 - getTextAtOffset for word boundaries: beginning of a new life, r=tbsaunde
CLOSED TREE
Bug 846365 - Add proper handling for background session closes in Firefox for Metro. r=jimm
Bug 854212 - Fix link errors in jsfuninlines.h caused by bug 851421.  r=smaug.

--HG--
extra : rebase_source : c1d10e7c4d4e8394128b044e51faf96ea5f48772
Bug 851556: Makee GestureEventListener.cpp's "MAX_TAP_TIME" unsigned, so that the comparisons against it won't trigger build warnings. r=drs
Bug 854133 - Stop the page from scrolling when the user tries to drag an <input type=range>'s thumb in the B2G browser app. r=smaug
Bug 854197 - Only initialize WorkerThreadState in parallel mode. r=luke