Chromium 59.0.3043.0 (Developer Build) (64-bit)
OS: ubuntu 14.04

Steps:
./out/Default/aura_demo

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff4967d63 in ui::InputMethodAuraLinux::InputMethodAuraLinux (this=0x13cd0ed24da0, delegate=0x13cd0ecc0a20) at ../../ui/base/ime/input_method_auralinux.cc:37
37	      LinuxInputMethodContextFactory::instance()->CreateInputMethodContext(
(gdb) bt
#0  0x00007ffff4967d63 in ui::InputMethodAuraLinux::InputMethodAuraLinux (this=0x13cd0ed24da0, delegate=0x13cd0ecc0a20) at ../../ui/base/ime/input_method_auralinux.cc:37
#1  0x00007ffff497662f in base::MakeUnique<ui::InputMethodAuraLinux, ui::internal::InputMethodDelegate*&> (args=@0x7fffffffc378: 0x13cd0ecc0a20) at ../../base/memory/ptr_util.h:56
#2  0x00007ffff497636c in ui::CreateInputMethod (delegate=0x13cd0ecc0a20, widget=92274692) at ../../ui/base/ime/input_method_factory.cc:64
#3  0x00007ffff78b0717 in aura::WindowTreeHost::GetInputMethod (this=0x13cd0ecc0a20) at ../../ui/aura/window_tree_host.cc:183
#4  0x00000000005c328a in aura::TestScreen::CreateHostForPrimaryDisplay (this=0x13cd0ecbf820) at ../../ui/aura/test/test_screen.cc:56
#5  0x0000000000423033 in (anonymous namespace)::DemoMain () at ../../ui/aura/demo/demo_main.cc:162
#6  0x0000000000422dbd in main (argc=1, argv=0x7fffffffdaf8) at ../../ui/aura/demo/demo_main.cc:212
(gdb) p LinuxInputMethodContextFactory::instance()
$1 = (const ui::LinuxInputMethodContextFactory *) 0x0