[Bug 1569147] [NEW] onscreen keyboard doesn't trigger url bar's drop-down list

[yoyoma2]

Public bug reported:

Steps:
1) start firefox 45.0.1 for ubuntu canonical
2) using an onscreen keyboard like "onboard", type a partial url that's in your history
= No dropdown list of suggested url's appears

Notes:
1) Typing the same characters on the physical keyboard produces the expected dropdown list
2) Safe mode or disabling all extensions makes no difference
3) Occasionally the dropdown list may work once immediately after startup but never more than once
4) Firefox 45 broke Windows 8 onscreen keyboard support (related?)

https://www.mozilla.org/en-US/firefox/45.0/releasenotes/

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: firefox 45.0.1+build1-0ubuntu0.14.04.2
ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
Uname: Linux 3.13.0-37-generic x86_64
NonfreeKernelModules: nvidia
AddonCompatCheckDisabled: False
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  flamin     2342 F.... pulseaudio
BuildID: 20160325004402
Channel: Unavailable
CurrentDesktop: Unity
Date: Mon Apr 11 23:21:37 2016
ExecutablePath: /usr/lib/firefox/firefox
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions:
 English (South Africa) Language Pack - langpack-en-ZA at firefox.mozilla.org
 English (GB) Language Pack - langpack-en-GB at firefox.mozilla.org
 Default - {972ce4c6-7e08-4474-a285-3208198ce6fd}
InstallationDate: Installed on 2014-07-09 (642 days ago)
InstallationMedia: sonar 13.10 - Release amd64
IpRoute:
 default via 192.168.0.30 dev eth0  proto static 
 192.168.0.0/24 dev eth0  proto kernel  scope link  src 192.168.0.32  metric 1
IwConfig:
 eth0      no wireless extensions.
 
 lo        no wireless extensions.
PrefSources: prefs.js
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=45.0.1/20160325004402 (In use)
RelatedPackageVersions:
 totem-mozilla     3.10.1-1ubuntu4
 rhythmbox-mozilla 3.0.2-0ubuntu2
 gnome-shell       3.10.4-0ubuntu5.2
RunningIncompatibleAddons: True
SourcePackage: firefox
UpgradeStatus: Upgraded to trusty on 2014-07-09 (642 days ago)
WifiSyslog:
 
dmi.bios.date: 12/07/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68PAD Ver. F.20
dmi.board.name: 30EC
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 91.25
dmi.chassis.asset.tag: CNU0121PR0
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68PADVer.F.20:bd12/07/2011:svnHewlett-Packard:pnHPEliteBook8730w:pvrF.20:rvnHewlett-Packard:rn30EC:rvrKBCVersion91.25:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 8730w
dmi.product.version: F.20
dmi.sys.vendor: Hewlett-Packard

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1569147

Title:
  onscreen keyboard doesn't trigger url bar's drop-down list

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