Aura: Set focusable on textfield but not on location bar

chrome/test/base/ui_test_utils_aura.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/test/base/ui_test_utils.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "chrome/browser/automation/ui_controls.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "ui/aura/window.h"
 #include "ui/views/focus/focus_manager.h"
 
 namespace ui_test_utils {
 
 bool IsViewFocused(const Browser* browser, ViewID vid) {
   BrowserWindow* browser_window = browser->window();
   DCHECK(browser_window);
   gfx::NativeWindow window = browser_window->GetNativeHandle();
   DCHECK(window);
   const views::Widget* widget =
       views::Widget::GetTopLevelWidgetForNativeView(window);
   DCHECK(widget);
   const views::FocusManager* focus_manager = widget->GetFocusManager();
   DCHECK(focus_manager);
+  DCHECK(focus_manager->GetFocusedView());
   return focus_manager->GetFocusedView()->id() == vid;
 }
 
 void ClickOnView(const Browser* browser, ViewID vid) {
   BrowserWindow* browser_window = browser->window();
   DCHECK(browser_window);
   views::View* view =
       reinterpret_cast<BrowserView*>(browser_window)->GetViewByID(vid);
   DCHECK(view);
   ui_controls::MoveMouseToCenterAndPress(
       view,
       ui_controls::LEFT,
       ui_controls::DOWN | ui_controls::UP,
       MessageLoop::QuitClosure());
   RunMessageLoop();
 }
 
 void HideNativeWindow(gfx::NativeWindow window) {
   window->Hide();
 }
 
 bool ShowAndFocusNativeWindow(gfx::NativeWindow window) {
   window->Show();
   return true;
 }
 
 }  // namespace ui_test_utils