Config UI for Extension Commands (part 1).

ui/views/focus/focus_manager.cc

Index: ui/views/focus/focus_manager.cc
===================================================================
--- ui/views/focus/focus_manager.cc	(revision 140271)
+++ ui/views/focus/focus_manager.cc	(working copy)
@@ -21,6 +21,8 @@
 
 namespace views {
 
+bool FocusManager::shortcut_handling_suspended_ = false;
+
 FocusManager::FocusManager(Widget* widget, FocusManagerDelegate* delegate)
     : widget_(widget),
       delegate_(delegate),
@@ -76,6 +78,9 @@
     return false;
 #endif
 
+  if (shortcut_handling_suspended())
+    return true;
+
   int modifiers = ui::EF_NONE;
   if (event.IsShiftDown())
     modifiers |= ui::EF_SHIFT_DOWN;