Upstream Chrome on iOS source code [4/11].

ios/chrome/browser/ui/elements/activity_overlay_coordinator.h

Index: ios/chrome/browser/ui/elements/activity_overlay_coordinator.h
diff --git a/ios/chrome/browser/ui/elements/activity_overlay_coordinator.h b/ios/chrome/browser/ui/elements/activity_overlay_coordinator.h
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index 0000000000000000000000000000000000000000..2d4c04947fb521f398f7a60926d8174cbd84fb59
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+++ b/ios/chrome/browser/ui/elements/activity_overlay_coordinator.h
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+// Copyright 2016 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_ELEMENTS_ACTIVITY_OVERLAY_COORDINATOR_H_
+#define IOS_CHROME_BROWSER_UI_ELEMENTS_ACTIVITY_OVERLAY_COORDINATOR_H_
+
+#import "ios/chrome/browser/chrome_coordinator.h"
+
+// Coordinator for displaying an activity indicator overlay over the current
+// context.
+@interface ActivityOverlayCoordinator : ChromeCoordinator
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_ELEMENTS_ACTIVITY_OVERLAY_COORDINATOR_H_