Use DCHECKs when observing only a single notification.

chrome/browser/geolocation/geolocation_permission_context_unittest.cc

 // Copyright (c) 2012 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/geolocation/geolocation_permission_context.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/gtest_prod_util.h"
 #include "base/id_map.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/test/simple_test_clock.h"
 #include "base/time/clock.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
-#include "chrome/browser/geolocation/geolocation_permission_context.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/permissions/permission_context_base.h"
 #include "chrome/browser/permissions/permission_manager.h"
 #include "chrome/browser/permissions/permission_request_id.h"
 #include "chrome/browser/ui/website_settings/permission_bubble_request.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/features.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
@@ skipping 58 matching lines @@
                  content::NotificationService::AllSources());
 }
 
 ClosedInfoBarTracker::~ClosedInfoBarTracker() {
 }
 
 void ClosedInfoBarTracker::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
-  DCHECK(type == chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_REMOVED);
+  DCHECK_EQ(chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_REMOVED, type);
   removed_infobars_.insert(
       content::Details<infobars::InfoBar::RemovedDetails>(details)->first);
 }
 
 bool ClosedInfoBarTracker::Contains(infobars::InfoBar* infobar) const {
   return removed_infobars_.count(infobar) != 0;
 }
 
 void ClosedInfoBarTracker::Clear() {
   removed_infobars_.clear();
@@ skipping 860 matching lines @@
   // it is the embedder.
   EXPECT_EQ(map->GetLastUsage(requesting_frame_0.GetOrigin(),
                               requesting_frame_0.GetOrigin(),
                               CONTENT_SETTINGS_TYPE_GEOLOCATION).ToDoubleT(),
             13);
   EXPECT_EQ(map->GetLastUsage(requesting_frame_1.GetOrigin(),
                               requesting_frame_0.GetOrigin(),
                               CONTENT_SETTINGS_TYPE_GEOLOCATION).ToDoubleT(),
             11);
 }