Seperate reloads when reporting previews infobar dismissal

chrome/browser/previews/previews_infobar_delegate_unittest.cc

 // Copyright 2016 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/previews/previews_infobar_delegate.h"
 
 #include <memory>
+#include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/optional.h"
 #include "base/test/histogram_tester.h"
 #include "chrome/browser/android/android_theme_resources.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.h"
 #include "chrome/browser/previews/previews_infobar_tab_helper.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_test_utils.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_pref_names.h"
 #include "components/infobars/core/confirm_infobar_delegate.h"
 #include "components/infobars/core/infobar.h"
 #include "components/infobars/core/infobar_delegate.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/proxy_config/proxy_config_pref_names.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/referrer.h"
 #include "content/public/test/web_contents_tester.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/base/page_transition_types.h"
 #include "ui/base/window_open_disposition.h"
 
 namespace {
 
 const char kTestUrl[] = "http://www.test.com/";
 
 // Key of the UMA Previews.InfoBarAction.LoFi histogram.
 const char kUMAPreviewsInfoBarActionLoFi[] = "Previews.InfoBarAction.LoFi";
 
 // Key of the UMA Previews.InfoBarAction.Offline histogram.
@@ skipping 92 matching lines @@
   EXPECT_EQ(0U, infobar_service()->infobar_count());
   EXPECT_FALSE(user_opt_out_.value());
 
   tester.ExpectBucketCount(
       kUMAPreviewsInfoBarActionLoFi,
       PreviewsInfoBarDelegate::INFOBAR_DISMISSED_BY_NAVIGATION, 1);
   EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
                    data_reduction_proxy::prefs::kLoFiLoadImagesPerSession));
 }
 
+TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestReloadDismissal) {
+  base::HistogramTester tester;
+
+  // Navigate to test URL, so we can reload later.
+  content::WebContentsTester::For(web_contents())
+      ->NavigateAndCommit(GURL(kTestUrl));
+
+  CreateInfoBar(PreviewsInfoBarDelegate::LOFI, true /* is_data_saver_user */);
+
+  // Try showing a second infobar. Another should not be shown since the page
+  // has not navigated.
+  PreviewsInfoBarDelegate::Create(
+      web_contents(), PreviewsInfoBarDelegate::LOFI,
+      true /* is_data_saver_user */,
+      PreviewsInfoBarDelegate::OnDismissPreviewsInfobarCallback());
+  EXPECT_EQ(1U, infobar_service()->infobar_count());
+
+  // Navigate to test URL as a reload to dismiss the infobar.
+  controller().LoadURL(GURL(kTestUrl), content::Referrer(),
+                       ui::PAGE_TRANSITION_RELOAD, std::string());
+  content::WebContentsTester::For(web_contents())->CommitPendingNavigation();
+
+  EXPECT_EQ(0U, infobar_service()->infobar_count());
+  EXPECT_FALSE(user_opt_out_.value());
+
+  tester.ExpectBucketCount(kUMAPreviewsInfoBarActionLoFi,
+                           PreviewsInfoBarDelegate::INFOBAR_DISMISSED_BY_RELOAD,
+                           1);
+  EXPECT_EQ(0, drp_test_context_->pref_service()->GetInteger(
+                   data_reduction_proxy::prefs::kLoFiLoadImagesPerSession));
+}
+
 TEST_F(PreviewsInfoBarDelegateUnitTest, InfobarTestUserDismissal) {
   base::HistogramTester tester;
 
   ConfirmInfoBarDelegate* infobar = CreateInfoBar(
       PreviewsInfoBarDelegate::LOFI, true /* is_data_saver_user */);
 
   // Simulate dismissing the infobar.
   infobar->InfoBarDismissed();
   infobar_service()->infobar_at(0)->RemoveSelf();
   EXPECT_EQ(0U, infobar_service()->infobar_count());
@@ skipping 135 matching lines @@
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_SAVED_DATA_TITLE),
             infobar->GetMessageText());
   ASSERT_EQ(l10n_util::GetStringUTF16(IDS_PREVIEWS_INFOBAR_LINK),
             infobar->GetLinkText());
 #if defined(OS_ANDROID)
   ASSERT_EQ(IDR_ANDROID_INFOBAR_PREVIEWS, infobar->GetIconId());
 #else
   ASSERT_EQ(PreviewsInfoBarDelegate::kNoIconID, infobar->GetIconId());
 #endif
 }