Upstream Chrome on iOS source code [7/11].

ios/chrome/browser/ui/settings/contextual_search_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_CONTEXTUAL_SEARCH_COLLECTION_VIEW_CONTROLLER_H_
+#define IOS_CHROME_BROWSER_UI_SETTINGS_CONTEXTUAL_SEARCH_COLLECTION_VIEW_CONTROLLER_H_
+
+#import "ios/chrome/browser/ui/settings/settings_root_collection_view_controller.h"
+
+namespace ios {
+class ChromeBrowserState;
+}  // namespace ios
+
+@class TouchToSearchPermissionsMediator;
+
+@interface ContextualSearchCollectionViewController
+    : SettingsRootCollectionViewController
+
+// Designated initializer.
+- (instancetype)initWithPermissions:
+    (TouchToSearchPermissionsMediator*)touchToSearchPermissions
+    NS_DESIGNATED_INITIALIZER;
+
+// Initializes an instance of this class, creating a permissions object from
+// |browserState|.
+- (instancetype)initWithBrowserState:(ios::ChromeBrowserState*)browserState;
+
+- (instancetype)initWithStyle:(CollectionViewControllerStyle)style
+    NS_UNAVAILABLE;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_SETTINGS_CONTEXTUAL_SEARCH_COLLECTION_VIEW_CONTROLLER_H_