Bug 1673340 - Revert changes done in Bug 1668851, 1663718 and 1497249. r=necko-reviewers,dragana, a=jcristau

Differential Revision: https://phabricator.services.mozilla.com/D94808

No bug - Tagging 86c6ac60afca3f420110dcfb855d0dbab801f88c with FIREFOX_82_0_1_RELEASE a=release CLOSED TREE DONTBUILD

No bug - Tagging 86c6ac60afca3f420110dcfb855d0dbab801f88c with FIREFOX_82_0_1_BUILD1 a=release CLOSED TREE DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D93122

Rebased to mozilla-release (needed because bug 1668406 is not present there).

Bug 1672370: Revert paper size pref validation back to checking for either being less than 100 inches. r=jwatt, a=jcristau

Differential Revision: https://phabricator.services.mozilla.com/D94341

My patch for bug 1665195 included a REBOOTOK flag because I wanted to make
sure the UpdateLogs directory would get deleted even if doing so failed at the
moment. What I didn't realize is that the RmDir instruction will set the reboot
flag if removing the directory fails for any reason whatsoever, even if it's
just because the directory wasn't empty, in which case rebooting wouldn't help.
For some reason I thought there was a check for that condition, but having now
had a look in the NSIS source, there is not.

There's no easy way to check for ourselves whether the directory is empty or
not, so to avoid a spurious reboot prompt from either the installer or the
uninstaller, this patch just gives up on the REBOOTOK flag.

Differential Revision: https://phabricator.services.mozilla.com/D93860

Bug 1666755 - [marionette] Run beforeunload timer after the click event has been received. r=marionette-reviewers,jdescottes a=jcristau

Due to delays when the click and the appropriate event will actually
happen within the child process, the beforeunload timer with 200ms
timeout needs to be run after the click event has been received.

Differential Revision: https://phabricator.services.mozilla.com/D93194

Differential Revision: https://phabricator.services.mozilla.com/D94714

Differential Revision: https://phabricator.services.mozilla.com/D94424

No bug - Tagging bbdea0acf29a60ac9500439691337f3e0e96eb2f with FIREFOX_82_0_RELEASE a=release CLOSED TREE DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D93930

Differential Revision: https://phabricator.services.mozilla.com/D93636

No bug - Tagging bbdea0acf29a60ac9500439691337f3e0e96eb2f with FIREFOX_82_0_BUILD2 a=release CLOSED TREE DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D93377

Backed out changeset 44801b6e7c7a (bug 1656302)

Differential Revision: https://phabricator.services.mozilla.com/D93255

No bug - Tagging bdb93bd9b26d6480c04eeda33896e826a8e9255e with FIREFOX_81_0_2_RELEASE a=release CLOSED TREE DONTBUILD

No bug - Tagging deabb2228274f7e9718e17be54010415eb119100 with FIREFOX_82_0_BUILD1 a=release CLOSED TREE DONTBUILD

No bug - tagging 1e79586438cfd92e407751f76f183a1450414cdf with FIREFOX_RELEASE_81_END a=release DONTBUILD CLOSED TREE

Merge old head via |hg debugsetparents 812bfb1ea9aac97fbb873e1fbe0f4ada9db9a33f 1e79586438cfd92e407751f76f183a1450414cdf| CLOSED TREE DONTBUILD a=release

No bug - tagging 0179c3bbcad3b837e91047f4047625b9bf22c6ed with FIREFOX_RELEASE_82_BASE a=release DONTBUILD CLOSED TREE

No bug - Tagging bdb93bd9b26d6480c04eeda33896e826a8e9255e with FIREFOX_81_0_2_BUILD1 a=release CLOSED TREE DONTBUILD

Bug 1668265 - [devtools] Ensure node picker reacts to inspector fronts as they become available or destroyed. r=ochameau, a=jcristau

When a page is refreshed, the inspector fonts associated with targets within are destroyed and recreated.

The node picker didn't observe for this behavior. When a page was refreshed, it kept picking against dead fronts and ignored the newly created fronts, thus leaving users confused. This is an issue in popular web dev workflows like Hot Module Reloading, where the page may end up being refreshed. See [Bug1352121#c4](https://bugzilla.mozilla.org/show_bug.cgi?id=1352121#c4)

This patch makes the node picker listen for targets and inspector fronts as they become available or get destroyed. If node picking isn't explicitly stopped by either clicking a node or pressing the Escape key, node picking continues onto the refreshed page or to new page (same behavior as in Firefox Release).

Differential Revision: https://phabricator.services.mozilla.com/D92779

Differential Revision: https://phabricator.services.mozilla.com/D93091

Bug 1668851 - Try to write data to socket directly without waiting. r=necko-reviewers,dragana,remote-protocol-reviewers, a=jcristau

Differential Revision: https://phabricator.services.mozilla.com/D92442

There's no guarantee that mTiming is non-null. This can happen for a
variety of reasons.

Differential Revision: https://phabricator.services.mozilla.com/D92894

Instead of having the web area be the implicit root, the search results should
exclusively be descendants of the target element that the search is called on.

Differential Revision: https://phabricator.services.mozilla.com/D91826

Differential Revision: https://phabricator.services.mozilla.com/D93067

fr -> da26b9e6d2337422279d7423fd81d090fdefe0a2

el -> cadfb7c0f261b8775b7a3f30aea3976e12dc6e7f
es-CL -> 4c535b59bf449e05a09637c2bd3bafabdee403cf

el -> af779387131ee567340c273fba5e98894ff7f1a7

be -> bd039c6e3b545d2c5eded8950051a51f534ab643
es-AR -> 01bc5c260bf84810c78b22ef1b2711a530ac19ef
es-ES -> e8552302808dbfb9572fb36a39eae4bd17f4b6d4

es-ES -> 4113485cd4a9f5ab977118a4c479c68f66e5b6ad
he -> 1cbfac65ac5ec150ef10d8f5aab1f220b4a307c6

pa-IN -> 6122e28240375652503b87076826c59d34e59e27
rm -> 5ff724c69d4ba9debe8370a36ab86f06144cbba2