[autofill] Avoid duplicate instances of the SaveCardBubble.

chrome/browser/ui/autofill/save_card_bubble_controller_impl_unittest.cc

 // Copyright 2014 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 <utility>
 
 #include "base/json/json_reader.h"
@@ skipping 449 matching lines @@
 
   EXPECT_THAT(
       histogram_tester.GetAllSamples(
           "Autofill.SaveCreditCardPrompt.Upload.FirstShow"),
       ElementsAre(
           Bucket(AutofillMetrics::SAVE_CARD_PROMPT_SHOW_REQUESTED, 1),
           Bucket(AutofillMetrics::SAVE_CARD_PROMPT_END_INVALID_LEGAL_MESSAGE,
                  1)));
 }
 
+TEST_F(SaveCardBubbleControllerImplTest, OnlyOneActiveBubble_RepeatedLocal) {
+  base::HistogramTester histogram_tester;
+  ShowLocalBubble();
+  ShowLocalBubble();
+  ShowLocalBubble();
+  EXPECT_THAT(
+      histogram_tester.GetAllSamples(
+          "Autofill.SaveCreditCardPrompt.Local.FirstShow"),
+      ElementsAre(Bucket(AutofillMetrics::SAVE_CARD_PROMPT_SHOW_REQUESTED, 1),
+                  Bucket(AutofillMetrics::SAVE_CARD_PROMPT_SHOWN, 1)));
+}
+
+TEST_F(SaveCardBubbleControllerImplTest, OnlyOneActiveBubble_RepeatedUpload) {
+  base::HistogramTester histogram_tester;
+  ShowUploadBubble();
+  ShowUploadBubble();
+  ShowUploadBubble();
+  EXPECT_THAT(
+      histogram_tester.GetAllSamples(
+          "Autofill.SaveCreditCardPrompt.Upload.FirstShow"),
+      ElementsAre(Bucket(AutofillMetrics::SAVE_CARD_PROMPT_SHOW_REQUESTED, 1),
+                  Bucket(AutofillMetrics::SAVE_CARD_PROMPT_SHOWN, 1)));
+}
+
+TEST_F(SaveCardBubbleControllerImplTest, OnlyOneActiveBubble_LocalThenUpload) {
+  base::HistogramTester histogram_tester;
+  ShowLocalBubble();
+  ShowUploadBubble();
+  ShowUploadBubble();
+  EXPECT_THAT(
+      histogram_tester.GetAllSamples(
+          "Autofill.SaveCreditCardPrompt.Local.FirstShow"),
+      ElementsAre(Bucket(AutofillMetrics::SAVE_CARD_PROMPT_SHOW_REQUESTED, 1),
+                  Bucket(AutofillMetrics::SAVE_CARD_PROMPT_SHOWN, 1)));
+  EXPECT_TRUE(
+      histogram_tester
+          .GetAllSamples("Autofill.SaveCreditCardPrompt.Upload.FirstShow")
+          .empty());
+}
+
+TEST_F(SaveCardBubbleControllerImplTest, OnlyOneActiveBubble_UploadTheLocal) {

[Jared Saul, 2017/05/05 17:47:16]

s/UploadTheLocal/UploadThenLocal

[Roger McFarlane (Chromium), 2017/05/05 18:18:01]

Done.

+  base::HistogramTester histogram_tester;
+  ShowUploadBubble();
+  ShowLocalBubble();
+  ShowLocalBubble();
+  EXPECT_THAT(
+      histogram_tester.GetAllSamples(
+          "Autofill.SaveCreditCardPrompt.Upload.FirstShow"),
+      ElementsAre(Bucket(AutofillMetrics::SAVE_CARD_PROMPT_SHOW_REQUESTED, 1),
+                  Bucket(AutofillMetrics::SAVE_CARD_PROMPT_SHOWN, 1)));
+  EXPECT_TRUE(
+      histogram_tester
+          .GetAllSamples("Autofill.SaveCreditCardPrompt.Local.FirstShow")
+          .empty());
+}
+
 }  // namespace autofill