Upstream Chrome on iOS source code [5/11].

ios/chrome/browser/ui/no_tabs/no_tabs_toolbar_controller.h

+// Copyright 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.
+
+#ifndef IOS_CHROME_BROWSER_UI_NO_TABS_NO_TABS_TOOLBAR_CONTROLLER_H_
+#define IOS_CHROME_BROWSER_UI_NO_TABS_NO_TABS_TOOLBAR_CONTROLLER_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/chrome/browser/ui/toolbar/toolbar_controller.h"
+
+// Toolbar controller for the no tabs view, adding a new tab button and a mode
+// toggle button..
+@interface NoTabsToolbarController : ToolbarController
+
+// Designated initializer.
+- (instancetype)initWithNoTabs;
+
+// Applies the given |transform| to all of the controls in this toolbar.
+- (void)setControlsTransform:(CGAffineTransform)transform;
+
+// Sets whether or not this toolbar displays a mode toggle switch.
+- (void)setHasModeToggleSwitch:(BOOL)hasModeToggle;
+
+// Return the button for toggling between normal and incognito.
+- (UIButton*)modeToggleButton;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_NO_TABS_NO_TABS_TOOLBAR_CONTROLLER_H_