Default zoom was never read from chrome://settings

chrome/test/base/testing_profile.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/test/base/testing_profile.h"
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ skipping 24 matching lines @@
 #include "chrome/browser/policy/profile_policy_connector.h"
 #include "chrome/browser/policy/profile_policy_connector_factory.h"
 #include "chrome/browser/prefs/browser_prefs.h"
 #include "chrome/browser/prefs/pref_service_syncable.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/storage_partition_descriptor.h"
 #include "chrome/browser/search_engines/template_url_fetcher_factory.h"
 #include "chrome/browser/sync/glue/sync_start_util.h"
+#include "chrome/browser/ui/zoom/chrome_zoom_level_prefs.h"
 #include "chrome/browser/webdata/web_data_service_factory.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/history_index_restore_observer.h"
 #include "chrome/test/base/testing_pref_service_syncable.h"
 #include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/common/bookmark_constants.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "components/history/core/browser/history_constants.h"
 #include "components/history/core/browser/history_db_task.h"
 #include "components/history/core/browser/top_sites_observer.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/policy/core/common/policy_service.h"
+#include "components/ui/zoom/zoom_event_manager.h"
 #include "components/user_prefs/user_prefs.h"
 #include "components/webdata_services/web_data_service_wrapper.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cookie_store_factory.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/storage_partition.h"
+#include "content/public/browser/zoom_level_delegate.h"
 #include "content/public/test/mock_resource_context.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/common/constants.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 #if defined(ENABLE_CONFIGURATION_POLICY)
@@ skipping 564 matching lines @@
 void TestingProfile::SetGuestSession(bool guest) {
   guest_session_ = guest;
 }
 
 base::FilePath TestingProfile::GetPath() const {
   return profile_path_;
 }
 
 scoped_ptr<content::ZoomLevelDelegate> TestingProfile::CreateZoomLevelDelegate(
     const base::FilePath& partition_path) {
-  return nullptr;
+  return make_scoped_ptr(new chrome::ChromeZoomLevelPrefs(
+      GetPrefs(), GetPath(), partition_path,
+      ui_zoom::ZoomEventManager::GetForBrowserContext(this)->GetWeakPtr()));
 }
 
 scoped_refptr<base::SequencedTaskRunner> TestingProfile::GetIOTaskRunner() {
   return base::MessageLoop::current()->message_loop_proxy();
 }
 
 TestingPrefServiceSyncable* TestingProfile::GetTestingPrefService() {
   DCHECK(prefs_);
   DCHECK(testing_prefs_);
   return testing_prefs_;
@@ skipping 124 matching lines @@
       this, profile_policy_connector_.get());
   CHECK_EQ(profile_policy_connector_.get(),
            policy::ProfilePolicyConnectorFactory::GetForProfile(this));
 }
 
 PrefService* TestingProfile::GetPrefs() {
   DCHECK(prefs_);
   return prefs_.get();
 }
 
+chrome::ChromeZoomLevelPrefs* TestingProfile::GetZoomLevelPrefs() {
+  return static_cast<chrome::ChromeZoomLevelPrefs*>(
+      GetDefaultStoragePartition(this)->GetZoomLevelDelegate());
+}
+
 history::TopSites* TestingProfile::GetTopSites() {
   return top_sites_.get();
 }
 
 history::TopSites* TestingProfile::GetTopSitesWithoutCreating() {
   return top_sites_.get();
 }
 
 DownloadManagerDelegate* TestingProfile::GetDownloadManagerDelegate() {
   return NULL;
@@ skipping 257 matching lines @@
 #if defined(ENABLE_EXTENSIONS)
                             extension_policy_,
 #endif
                             pref_service_.Pass(),
                             original_profile,
                             guest_session_,
                             supervised_user_id_,
                             policy_service_.Pass(),
                             testing_factories_);
 }