aura: Fix WidgetFocusChangeListener::OnNativeFocusChange().

ui/views/focus/focus_manager_test.cc

Index: ui/views/focus/focus_manager_test.cc
diff --git a/ui/views/focus/focus_manager_test.cc b/ui/views/focus/focus_manager_test.cc
index da15b27af8e7a4a7d2227d6ce85764afbfe780fe..df9585ea403e1fe4061e5c63e913bedf3102ef74 100644
--- a/ui/views/focus/focus_manager_test.cc
+++ b/ui/views/focus/focus_manager_test.cc
@@ -14,7 +14,8 @@ namespace views {
 
 FocusManagerTest::FocusManagerTest()
     : contents_view_(new View),
-      focus_change_listener_(NULL) {
+      focus_change_listener_(NULL),
+      widget_focus_change_listener_(NULL) {
 }
 
 FocusManagerTest::~FocusManagerTest() {
@@ -38,6 +39,10 @@ void FocusManagerTest::SetUp() {
 void FocusManagerTest::TearDown() {
   if (focus_change_listener_)
     GetFocusManager()->RemoveFocusChangeListener(focus_change_listener_);
+  if (widget_focus_change_listener_) {
+    WidgetFocusManager::GetInstance()->RemoveFocusChangeListener(
+        widget_focus_change_listener_);
+  }
   GetWidget()->Close();
 
   // Flush the message loop to make application verifiers happy.
@@ -72,6 +77,13 @@ void FocusManagerTest::AddFocusChangeListener(FocusChangeListener* listener) {
   GetFocusManager()->AddFocusChangeListener(listener);
 }
 
+void FocusManagerTest::AddWidgetFocusChangeListener(
+    WidgetFocusChangeListener* listener) {
+  ASSERT_FALSE(widget_focus_change_listener_);
+  widget_focus_change_listener_ = listener;
+  WidgetFocusManager::GetInstance()->AddFocusChangeListener(listener);
+}
+
 #if defined(OS_WIN) && !defined(USE_AURA)
 void FocusManagerTest::SimulateActivateWindow() {
   SendMessage(GetWidget()->GetNativeWindow(), WM_ACTIVATE, WA_ACTIVE, NULL);
@@ -111,4 +123,23 @@ void TestFocusChangeListener::ClearFocusChanges() {
   focus_changes_.clear();
 }
 
+////////////////////////////////////////////////////////////////////////////////
+// TestWidgetFocusChangeListener
+
+TestWidgetFocusChangeListener::TestWidgetFocusChangeListener() {
+}
+
+TestWidgetFocusChangeListener::~TestWidgetFocusChangeListener() {
+}
+
+void TestWidgetFocusChangeListener::ClearFocusChanges() {
+  focus_changes_.clear();
+}
+
+void TestWidgetFocusChangeListener::OnNativeFocusChange(
+    gfx::NativeView focused_before,
+    gfx::NativeView focused_now) {
+  focus_changes_.push_back(NativeViewPair(focused_before, focused_now));
+}
+
 }  // namespace views