[iOS] Adding SyncSwitchItem implementation for UITableView

SyncSwitchItem is to replace LegacySyncSwitchCell for UITableView. The
item uses SettingsSwitchCell.

Change-Id: I62933ec77c30813bda489dce3f89a1ff642b2b7c
Reviewed-on: https://chromium-review.googlesource.com/c/1384254
Commit-Queue: Jérôme Lebel <jlebel@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#618802}

ios/chrome/browser/ui/settings/cells/BUILD.gn

@@ -40,6 +40,8 @@ source_set("cells") {
     "settings_switch_item.mm",
     "settings_text_item.h",
     "settings_text_item.mm",
+    "sync_switch_item.h",
+    "sync_switch_item.mm",
     "table_view_clear_browsing_data_item.h",
     "table_view_clear_browsing_data_item.mm",
     "text_and_error_item.h",

ios/chrome/browser/ui/settings/cells/sync_switch_item.h

+// Copyright 2018 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.
+
+#ifndef IOS_CHROME_BROWSER_UI_SETTINGS_CELLS_SYNC_SWITCH_ITEM_H_
+#define IOS_CHROME_BROWSER_UI_SETTINGS_CELLS_SYNC_SWITCH_ITEM_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/chrome/browser/ui/table_view/cells/table_view_item.h"
+
+// SyncSwitchItem is a model class that uses SettingsSwitchCell.
+@interface SyncSwitchItem : TableViewItem
+
+// The text to display.
+@property(nonatomic, copy) NSString* text;
+
+// The detail text string.
+@property(nonatomic, copy) NSString* detailText;
+
+// The current state of the switch.
+@property(nonatomic, assign, getter=isOn) BOOL on;
+
+// Whether or not the switch is enabled.  Disabled switches are automatically
+// drawn as in the "off" state, with dimmed text.
+@property(nonatomic, assign, getter=isEnabled) BOOL enabled;
+
+// SyncSetupService::SyncableDatatype value for the item.
+@property(nonatomic, assign) NSInteger dataType;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_SETTINGS_CELLS_SYNC_SWITCH_ITEM_H_

ios/chrome/browser/ui/settings/cells/sync_switch_item.mm

+// Copyright 2018 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.
+
+#import "ios/chrome/browser/ui/settings/cells/sync_switch_item.h"
+
+#import "ios/chrome/browser/ui/settings/cells/settings_switch_cell.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+@implementation SyncSwitchItem
+
+- (instancetype)initWithType:(NSInteger)type {
+  self = [super initWithType:type];
+  if (self) {
+    self.cellClass = [SettingsSwitchCell class];
+    self.enabled = YES;
+  }
+  return self;
+}
+
+#pragma mark TableViewItem
+
+- (void)configureCell:(SettingsSwitchCell*)cell
+           withStyler:(ChromeTableViewStyler*)styler {
+  [super configureCell:cell withStyler:styler];
+  cell.textLabel.text = self.text;
+  cell.detailTextLabel.text = self.detailText;
+  cell.switchView.enabled = self.enabled;
+  cell.switchView.on = self.on;
+  cell.textLabel.textColor =
+      [SettingsSwitchCell defaultTextColorForState:cell.switchView.state];
+  cell.selectionStyle = UITableViewCellSelectionStyleNone;
+}
+
+@end

ios/chrome/browser/ui/settings/table_cell_catalog_view_controller.mm

@@ -12,6 +12,7 @@
 #import "ios/chrome/browser/ui/settings/cells/encryption_item.h"
 #import "ios/chrome/browser/ui/settings/cells/settings_detail_item.h"
 #import "ios/chrome/browser/ui/settings/cells/settings_switch_item.h"
+#import "ios/chrome/browser/ui/settings/cells/sync_switch_item.h"
 #import "ios/chrome/browser/ui/table_view/cells/table_view_detail_text_item.h"
 #import "ios/chrome/browser/ui/table_view/cells/table_view_image_item.h"
 #import "ios/chrome/browser/ui/table_view/cells/table_view_link_header_footer_item.h"
@@ -55,6 +56,7 @@ typedef NS_ENUM(NSInteger, ItemType) {
   ItemTypeDetailText,
   ItemTypeSettingsSwitch1,
   ItemTypeSettingsSwitch2,
+  ItemTypeSyncSwitch,
   ItemTypeAutofillEditItem,
   ItemTypeAutofillData,
   ItemTypeAccount,
@@ -176,19 +178,28 @@ typedef NS_ENUM(NSInteger, ItemType) {
 
   SettingsSwitchItem* settingsSwitchItem =
       [[SettingsSwitchItem alloc] initWithType:ItemTypeSettingsSwitch1];
-  settingsSwitchItem.text = @"This is a switch item";
+  settingsSwitchItem.text = @"This is a settings switch item";
   [model addItem:settingsSwitchItem
       toSectionWithIdentifier:SectionIdentifierSettings];
 
   SettingsSwitchItem* settingsSwitchItem2 =
       [[SettingsSwitchItem alloc] initWithType:ItemTypeSettingsSwitch2];
-  settingsSwitchItem2.text = @"This is a disabled switch item";
+  settingsSwitchItem2.text = @"This is a disabled settings switch item";
   settingsSwitchItem2.detailText = @"This is a switch item with detail text";
   settingsSwitchItem2.on = YES;
   settingsSwitchItem2.enabled = NO;
   [model addItem:settingsSwitchItem2
       toSectionWithIdentifier:SectionIdentifierSettings];
 
+  SyncSwitchItem* syncSwitchItem =
+      [[SyncSwitchItem alloc] initWithType:ItemTypeSyncSwitch];
+  syncSwitchItem.text = @"This is a sync switch item";
+  syncSwitchItem.detailText = @"This is a sync switch item with detail text";
+  syncSwitchItem.on = YES;
+  syncSwitchItem.enabled = NO;
+  [model addItem:syncSwitchItem
+      toSectionWithIdentifier:SectionIdentifierSettings];
+
   EncryptionItem* encryptionChecked =
       [[EncryptionItem alloc] initWithType:ItemTypeEncryption];
   encryptionChecked.text =