Clears out external protocol data when cookies and site data is cleared.

chrome/browser/browsing_data/chrome_browsing_data_remover_delegate_unittest.cc

 // Copyright 2017 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/browsing_data/chrome_browsing_data_remover_delegate.h"
 
 #include "base/guid.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 1038 matching lines @@
   BlockUntilBrowsingDataRemoved(AnHourAgo(), base::Time::Max(),
                                 removal_mask, false);
   EXPECT_EQ(removal_mask, GetRemovalMask());
   EXPECT_EQ(BrowsingDataHelper::UNPROTECTED_WEB, GetOriginTypeMask());
 
   // Verify that history was not deleted.
   EXPECT_TRUE(history_tester.HistoryContainsURL(kOrigin1));
 }
 #endif
 
+TEST_F(ChromeBrowsingDataRemoverDelegateTest, RemoveExternalProtocolData) {
+  TestingProfile* profile = GetProfile();
+  // Add external protocol data on profile.
+  base::DictionaryValue prefs;
+  prefs.SetBoolean("tel", true);
+  profile->GetPrefs()->Set(prefs::kExcludedSchemes, prefs);
+
+  EXPECT_FALSE(
+      profile->GetPrefs()->GetDictionary(prefs::kExcludedSchemes)->empty());
+
+  BlockUntilBrowsingDataRemoved(
+      AnHourAgo(), base::Time::Max(),
+      BrowsingDataRemover::REMOVE_EXTERNAL_PROTOCOL_DATA, false);
+  EXPECT_TRUE(
+      profile->GetPrefs()->GetDictionary(prefs::kExcludedSchemes)->empty());
+}
+
 // Test that clearing history deletes favicons not associated with bookmarks.
 TEST_F(ChromeBrowsingDataRemoverDelegateTest, RemoveFaviconsForever) {
   GURL page_url("http://a");
 
   RemoveFaviconTester favicon_tester;
   ASSERT_TRUE(favicon_tester.Init(GetProfile()));
   favicon_tester.VisitAndAddFavicon(page_url);
   ASSERT_TRUE(favicon_tester.HasFaviconForPageURL(page_url));
 
   BlockUntilBrowsingDataRemoved(base::Time(), base::Time::Max(),
@@ skipping 699 matching lines @@
   EXPECT_THAT(language_model->GetLanguageFrequency("es"), FloatEq(0.25));
 
   // Clearing the full history does the trick.
   BlockUntilBrowsingDataRemoved(base::Time(), base::Time::Max(),
                                 BrowsingDataRemover::REMOVE_HISTORY, false);
 
   EXPECT_THAT(language_model->GetTopLanguages(), SizeIs(0));
   EXPECT_THAT(language_model->GetLanguageFrequency("en"), FloatEq(0.0));
   EXPECT_THAT(language_model->GetLanguageFrequency("es"), FloatEq(0.0));
 }