InstantExtended: Remove overlay control code.

chrome/browser/ui/search/instant_commit_type.h

Index: chrome/browser/ui/search/instant_commit_type.h
diff --git a/chrome/browser/ui/search/instant_commit_type.h b/chrome/browser/ui/search/instant_commit_type.h
deleted file mode 100644
index 3ead857c9269e3b3e1d2f2fcf2b3e286b51d0931..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/search/instant_commit_type.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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 CHROME_BROWSER_UI_SEARCH_INSTANT_COMMIT_TYPE_H_
-#define CHROME_BROWSER_UI_SEARCH_INSTANT_COMMIT_TYPE_H_
-
-// Reason why the Instant overlay is committed (merged into a tab).
-enum InstantCommitType {
-  // The commit is due to the user pressing Enter from the omnibox.
-  INSTANT_COMMIT_PRESSED_ENTER,
-
-  // The commit is due to the user pressing Alt-Enter from the omnibox (which
-  // causes the overlay to be committed onto a new tab).
-  INSTANT_COMMIT_PRESSED_ALT_ENTER,
-
-  // The commit is due to the omnibox losing focus, usually due to the user
-  // clicking on the overlay.
-  INSTANT_COMMIT_FOCUS_LOST,
-
-  // The commit is due to the Instant overlay navigating to a non-Instant URL.
-  INSTANT_COMMIT_NAVIGATED,
-};
-
-#endif  // CHROME_BROWSER_UI_SEARCH_INSTANT_COMMIT_TYPE_H_