Re-land: Resurrect Aura Linux accessibility.

ui/views/views.gyp

Index: ui/views/views.gyp
diff --git a/ui/views/views.gyp b/ui/views/views.gyp
index 0b92a2c543e5625f2f529b7aacf88ce76366108f..e73f3617ad6b00c3bd15bc0dc9fbfdc8be029c2d 100644
--- a/ui/views/views.gyp
+++ b/ui/views/views.gyp
@@ -423,6 +423,8 @@
       'widget/desktop_aura/desktop_cursor_loader_updater_auralinux.h',
     ],
     'views_desktop_aura_x11_sources': [
+      'accessibility/native_view_accessibility_auralinux.cc',
+      'accessibility/native_view_accessibility_auralinux.h',
       'widget/desktop_aura/desktop_drag_drop_client_aurax11.cc',
       'widget/desktop_aura/desktop_drag_drop_client_aurax11.h',
       'widget/desktop_aura/desktop_screen_x11.cc',
@@ -635,6 +637,7 @@
         }],
         ['OS=="linux" and chromeos==0', {
           'dependencies': [
+            '../../build/linux/system.gyp:atk',

[gunsch, 2015/03/16 21:25:11]

Same issue reported on the first iteration of this CL:

This definition is guarded with "use_ozone==0", but the condition is not.

This breaks Chromecast (trybot in progress), which meets:
OS=="linux"
chromeos==0
use_ozone==1

could you take a look?

[gunsch, 2015/03/16 21:28:53]

Actually, I'll just send you a CL

             '../shell_dialogs/shell_dialogs.gyp:shell_dialogs',
           ],
           'sources!': [