Upstream iOS UI utilities.

ios/chrome/browser/ui/snapshots_util.h

Index: ios/chrome/browser/ui/snapshots_util.h
diff --git a/ios/chrome/browser/ui/snapshots_util.h b/ios/chrome/browser/ui/snapshots_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..04872b6d128d83352f52e64d68c33611d0663cd4
--- /dev/null
+++ b/ios/chrome/browser/ui/snapshots_util.h
@@ -0,0 +1,19 @@
+// 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_SNAPSHOTS_UTIL_H_
+#define IOS_CHROME_BROWSER_UI_SNAPSHOTS_UTIL_H_
+
+#include <vector>
+
+#include "base/files/file_path.h"
+
+// Clears the application snapshots taken by iOS.
+void ClearIOSSnapshots();
+
+// Adds to |snapshotsPaths| all the possible paths to the application's
+// snapshots taken by iOS.
+void GetSnapshotsPaths(std::vector<base::FilePath>* snapshotsPaths);
+
+#endif  // IOS_CHROME_BROWSER_UI_SNAPSHOTS_UTIL_H_