Close the save card bubble on tab switch.

chrome/browser/ui/views/autofill/save_card_icon_view.cc

Index: chrome/browser/ui/views/autofill/save_card_icon_view.cc
diff --git a/chrome/browser/ui/views/autofill/save_card_icon_view.cc b/chrome/browser/ui/views/autofill/save_card_icon_view.cc
index 39d7820ee40570caea247846395e1ebb1d99c743..43f0daa5fa9343cf439270544a55784e94418221 100644
--- a/chrome/browser/ui/views/autofill/save_card_icon_view.cc
+++ b/chrome/browser/ui/views/autofill/save_card_icon_view.cc
@@ -29,15 +29,28 @@ SaveCardIconView::~SaveCardIconView() {}
 void SaveCardIconView::OnExecuting(
     BubbleIconView::ExecuteSource execute_source) {}
 
-views::BubbleDelegateView* SaveCardIconView::GetBubble() const {
+bool SaveCardIconView::OnMousePressed(const ui::MouseEvent& event) {
+  bool result = BubbleIconView::OnMousePressed(event);
+
+  SaveCardBubbleControllerImpl* controller = GetController();
+  if (controller)
+    controller->HideBubble();
+
+  return result;
+}
+
+SaveCardBubbleControllerImpl* SaveCardIconView::GetController() const {
   if (!browser_)
     return nullptr;
   content::WebContents* web_contents =
       browser_->tab_strip_model()->GetActiveWebContents();
   if (!web_contents)
     return nullptr;
-  autofill::SaveCardBubbleControllerImpl* controller =
-      autofill::SaveCardBubbleControllerImpl::FromWebContents(web_contents);
+  return autofill::SaveCardBubbleControllerImpl::FromWebContents(web_contents);
+}
+
+views::BubbleDelegateView* SaveCardIconView::GetBubble() const {
+  SaveCardBubbleControllerImpl* controller = GetController();
   if (!controller)
     return nullptr;