Upstream Chrome on iOS source code [2/11].

ios/chrome/browser/tabs/tab_private.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_TABS_TAB_PRIVATE_H_
+#define IOS_CHROME_BROWSER_TABS_TAB_PRIVATE_H_
+
+#include "ios/net/request_tracker.h"
+
+// Exposed private methods for testing purpose.
+@interface Tab ()
+
+- (OpenInController*)openInController;
+- (void)closeThisTab;
+- (CRWSessionEntry*)currentSessionEntry;
+- (void)setShouldObserveInfoBarManager:(BOOL)shouldObserveInfoBarManager;
+- (void)setShouldObserveFaviconChanges:(BOOL)shouldObserveFaviconChanges;
+
+@end
+
+@interface Tab (TestingSupport)
+
+// Replaces the existing web state. This method should be called once
+// right after init and before any call to |view|.
+- (void)replaceWebStateImpl:(std::unique_ptr<web::WebStateImpl>)webStateImpl;
+
+// Replaces the existing |externalAppLauncher_|.
+- (void)replaceExternalAppLauncher:(id)externalAppLauncher;
+
+- (TabModel*)parentTabModel;
+
+- (FormInputAccessoryViewController*)inputAccessoryViewController;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_TABS_TAB_PRIVATE_H_