Omnibox UI Experiments: Add vertical margin variations to about:flags

chrome/browser/flag_descriptions.h

 // Copyright 2017 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_FLAG_DESCRIPTIONS_H_
 #define CHROME_BROWSER_FLAG_DESCRIPTIONS_H_
 
 // Includes needed for macros allowing conditional compilation of some strings.
 #include "build/build_config.h"
 #include "build/buildflag.h"
@@ skipping 3341 matching lines @@
 extern const char kAutoplayPolicyUserGestureRequired[];
 
 // Name of the about: flag for displaying the title of the omnibox match for
 // current URL.
 extern const char kOmniboxDisplayTitleForCurrentUrlName[];
 
 // Description of the about: flag for displaying the title of the omnibox match
 // for current URL.
 extern const char kOmniboxDisplayTitleForCurrentUrlDescription[];
 
+// Name of the Omnibox UI vertical margin flag.
+extern const char kOmniboxUIVerticalMarginName[];
+
+// Description of the Omnibox UI vertical margin flag.
+extern const char kOmniboxUIVerticalMarginDescription[];
+
 // Name of the flag that forces Network Quality Estimator (NQE) to always
 // return the specified effective connection type.
 extern const char kForceEffectiveConnectionTypeName[];
 
 // Description of the flag that forces Network Quality Estimator (NQE) to always
 // return the specified effective connection type.
 extern const char kForceEffectiveConnectionTypeDescription[];
 
 // Description of the various effective connection type choices that can be
 // set using kForceEffectiveConnectionTypeName flag.
@@ skipping 26 matching lines @@
 // a hard-reload.
 extern const char kLocationHardReloadDescription[];
 
 // Name and description for the capture-thumbnail-on-load-finished flag.
 extern const char kCaptureThumbnailOnLoadFinishedName[];
 extern const char kCaptureThumbnailOnLoadFinishedDescription[];
 
 }  // namespace flag_descriptions
 
 #endif  // CHROME_BROWSER_FLAG_DESCRIPTIONS_H_