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

ios/chrome/browser/snapshots/snapshot_overlay_provider.h

Index: ios/chrome/browser/snapshots/snapshot_overlay_provider.h
diff --git a/ios/chrome/browser/snapshots/snapshot_overlay_provider.h b/ios/chrome/browser/snapshots/snapshot_overlay_provider.h
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index 0000000000000000000000000000000000000000..199405d016e94a24ca2b0c349a69c38ac90f6c43
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+++ b/ios/chrome/browser/snapshots/snapshot_overlay_provider.h
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+// Copyright (c) 2013 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_SNAPSHOTS_SNAPSHOT_OVERLAY_PROVIDER_H_
+#define IOS_CHROME_BROWSER_SNAPSHOTS_SNAPSHOT_OVERLAY_PROVIDER_H_
+
+#import <UIKit/UIKit.h>
+
+@class Tab;
+
+@protocol SnapshotOverlayProvider<NSObject>
+
+// Returns an array of objects representing views (e.g. infobar, voice search
+// button, etc.) currently overlayed. Overlayed views should be ordered so that
+// the bottommost view is at the beginning of the array and the topmost view is
+// at the end of the array.
+- (NSArray*)snapshotOverlaysForTab:(Tab*)tab;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_SNAPSHOTS_SNAPSHOT_OVERLAY_PROVIDER_H_