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

ios/chrome/browser/ui/side_swipe/side_swipe_util.h

Index: ios/chrome/browser/ui/side_swipe/side_swipe_util.h
diff --git a/ios/chrome/browser/ui/side_swipe/side_swipe_util.h b/ios/chrome/browser/ui/side_swipe/side_swipe_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..27f28ac6d2803729329166c78f3091514d0dc734
--- /dev/null
+++ b/ios/chrome/browser/ui/side_swipe/side_swipe_util.h
@@ -0,0 +1,16 @@
+// 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_SIDE_SWIPE_SIDE_SWIPE_UTIL_H_
+#define IOS_CHROME_BROWSER_UI_SIDE_SWIPE_SIDE_SWIPE_UTIL_H_
+
+#import <UIKit/UIKit.h>
+
+// If swiping to the right (or left in RTL).
+BOOL IsSwipingBack(UISwipeGestureRecognizerDirection direction);
+
+// If swiping to the left (or right in RTL).
+BOOL IsSwipingForward(UISwipeGestureRecognizerDirection direction);
+
+#endif  // IOS_CHROME_BROWSER_UI_SIDE_SWIPE_SIDE_SWIPE_UTIL_H_