[autofill] Avoid duplicate instances of the SaveCardBubble.

chrome/browser/ui/autofill/save_card_bubble_controller_impl.cc

 // Copyright 2015 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/browser/ui/autofill/save_card_bubble_controller_impl.h"
 
 #include <stddef.h>
 
 #include "chrome/browser/ui/autofill/save_card_bubble_view.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 29 matching lines @@
 }
 
 SaveCardBubbleControllerImpl::~SaveCardBubbleControllerImpl() {
   if (save_card_bubble_view_)
     save_card_bubble_view_->Hide();
 }
 
 void SaveCardBubbleControllerImpl::ShowBubbleForLocalSave(
     const CreditCard& card,
     const base::Closure& save_card_callback) {
+  // Don't show the bubble if it's already visible.
+  if (save_card_bubble_view_)
+    return;
+
   is_uploading_ = false;
   is_reshow_ = false;
   should_cvc_be_requested_ = false;
   legal_message_lines_.clear();
 
   AutofillMetrics::LogSaveCardPromptMetric(
       AutofillMetrics::SAVE_CARD_PROMPT_SHOW_REQUESTED, is_uploading_,
       is_reshow_);
 
   card_ = card;
   save_card_callback_ = save_card_callback;
   ShowBubble();
 }
 
 void SaveCardBubbleControllerImpl::ShowBubbleForUpload(
     const CreditCard& card,
     std::unique_ptr<base::DictionaryValue> legal_message,
     bool should_cvc_be_requested,
     const base::Closure& save_card_callback) {
+  // Don't show the bubble if it's already visible.
+  if (save_card_bubble_view_)
+    return;
+
   is_uploading_ = true;
   is_reshow_ = false;
   should_cvc_be_requested_ = should_cvc_be_requested;
   AutofillMetrics::LogSaveCardPromptMetric(
       AutofillMetrics::SAVE_CARD_PROMPT_SHOW_REQUESTED, is_uploading_,
       is_reshow_);
 
   if (!LegalMessageLine::Parse(*legal_message, &legal_message_lines_)) {
     AutofillMetrics::LogSaveCardPromptMetric(
         AutofillMetrics::SAVE_CARD_PROMPT_END_INVALID_LEGAL_MESSAGE,
         is_uploading_, is_reshow_);
     return;
   }
 
   card_ = card;
   save_card_callback_ = save_card_callback;
   ShowBubble();
 }
 
 void SaveCardBubbleControllerImpl::HideBubble() {
   if (save_card_bubble_view_) {
     save_card_bubble_view_->Hide();
     save_card_bubble_view_ = nullptr;
   }
 }
 
 void SaveCardBubbleControllerImpl::ReshowBubble() {
+  // Don't show the bubble if it's already visible.
+  if (save_card_bubble_view_)
+    return;
+
   is_reshow_ = true;
   AutofillMetrics::LogSaveCardPromptMetric(
       AutofillMetrics::SAVE_CARD_PROMPT_SHOW_REQUESTED, is_uploading_,
       is_reshow_);
 
   ShowBubble();
 }
 
 bool SaveCardBubbleControllerImpl::IsIconVisible() const {
   return !save_card_callback_.is_null();
@@ skipping 155 matching lines @@
   location_bar->UpdateSaveCreditCardIcon();
 }
 
 void SaveCardBubbleControllerImpl::OpenUrl(const GURL& url) {
   web_contents()->OpenURL(content::OpenURLParams(
       url, content::Referrer(), WindowOpenDisposition::NEW_FOREGROUND_TAB,
       ui::PAGE_TRANSITION_LINK, false));
 }
 
 }  // namespace autofill