Release Media Router Action icon when dialog closed.

chrome/browser/ui/toolbar/media_router_action_unittest.cc

Index: chrome/browser/ui/toolbar/media_router_action_unittest.cc
diff --git a/chrome/browser/ui/toolbar/media_router_action_unittest.cc b/chrome/browser/ui/toolbar/media_router_action_unittest.cc
index 7ffbbd78a3acbe9593ef94c2faa89ca839cd673e..0b5248abec336ff7e8c6752fb71f4c7069a9d301 100644
--- a/chrome/browser/ui/toolbar/media_router_action_unittest.cc
+++ b/chrome/browser/ui/toolbar/media_router_action_unittest.cc
@@ -342,7 +342,9 @@ TEST_F(MediaRouterActionUnitTest, IconPressedState) {
   EXPECT_CALL(*mock_delegate, OnPopupClosed()).WillOnce(testing::Return());
   dialog_controller_->CloseMediaRouterDialog();
 
+  EXPECT_CALL(*mock_delegate, OnPopupClosed()).WillOnce(testing::Return());
   dialog_controller_->Reset();
+
   EXPECT_CALL(*mock_delegate, OnPopupShown(true)).WillOnce(testing::Return());
   dialog_controller_->CreateMediaRouterDialog();