Make File-Picker modal on Linux

ui/views/widget/desktop_aura/x11_desktop_handler.cc

Index: ui/views/widget/desktop_aura/x11_desktop_handler.cc
diff --git a/ui/views/widget/desktop_aura/x11_desktop_handler.cc b/ui/views/widget/desktop_aura/x11_desktop_handler.cc
index 5ab84f9928e6d0f6305ee1642d3c4bf18c9bdfb5..62eb016615c59651dd86dfe1001e4887999c9bc7 100644
--- a/ui/views/widget/desktop_aura/x11_desktop_handler.cc
+++ b/ui/views/widget/desktop_aura/x11_desktop_handler.cc
@@ -228,8 +228,15 @@ void X11DesktopHandler::OnActiveWindowChanged(::Window xid,
   if (active_state == ACTIVE) {
     DesktopWindowTreeHostX11* new_host =
         views::DesktopWindowTreeHostX11::GetHostForXID(xid);
-    if (new_host)
-      new_host->HandleNativeWidgetActivationChanged(true);
+    if (new_host) {
+      // Set focus to the modal dialog instead of the host window.
+      if (new_host->GetModalDialog())
+        XSetInputFocus(xdisplay_, new_host->GetModalDialog(),
+            RevertToParent, CurrentTime);
+      else
+        new_host->HandleNativeWidgetActivationChanged(true);

[sadrul, 2015/07/14 08:13:01]

Use {} for both cases.

[joone, 2015/07/14 22:35:39]

Done.

+

[joone, 2015/07/08 17:54:46]

We don't call new_host->HandleNativeWidgetActivationChanged(true) when
|new_host| has a modal dialog

+    }
   }
 }