Upstream Chrome on iOS source code [8/11].

ios/chrome/browser/ui/settings/settings_collection_view_controller.h

+// Copyright 2015 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_SETTINGS_COLLECTION_VIEW_CONTROLLER_H_
+#define IOS_CHROME_BROWSER_UI_SETTINGS_SETTINGS_COLLECTION_VIEW_CONTROLLER_H_
+
+#import "ios/chrome/browser/ui/settings/settings_navigation_controller.h"
+#import "ios/chrome/browser/ui/settings/settings_root_collection_view_controller.h"
+
+@class SigninInteractionController;
+namespace ios {
+class ChromeBrowserState;
+}  // namespace ios
+
+// The accessibility identifier of the settings collection view.
+extern NSString* const kSettingsCollectionViewId;
+
+// The accessibility identifier of the sign in cell.
+extern NSString* const kSettingsSignInCellId;
+
+// The accessibility identifier of the account cell.
+extern NSString* const kSettingsAccountCellId;
+
+// The accessibility identifier of the Search Engine cell.
+extern NSString* const kSettingsSearchEngineCellId;
+
+// The accessibility identifier of the Voice Search cell.
+extern NSString* const kSettingsVoiceSearchCellId;
+
+// This class is the collection view for the application settings.
+@interface SettingsCollectionViewController
+    : SettingsRootCollectionViewController<SettingsControllerProtocol>
+
+// The controller used to signin on this screen. Returns nil unless a signin is
+// currently occuring.
+@property(nonatomic, readonly)
+    SigninInteractionController* signinInteractionController;
+
+// Initializes a new SettingsCollectionViewController. |mainBrowserState|,
+// |currentBrowserState| and |dataSource| must not be nil.
+// If |currentBrowserState| is not off the record, then it must be equal to
+// |mainBrowserState|.
+- (instancetype)initWithBrowserState:(ios::ChromeBrowserState*)mainBrowserState
+                 currentBrowserState:
+                     (ios::ChromeBrowserState*)currentBrowserState
+    NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)initWithStyle:(CollectionViewControllerStyle)style
+    NS_UNAVAILABLE;
+
+- (instancetype)init NS_UNAVAILABLE;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_SETTINGS_SETTINGS_COLLECTION_VIEW_CONTROLLER_H_