Removed "disable-first-run-ui" flag and switch.

chrome/browser/about_flags.cc

 // Copyright (c) 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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 1512 matching lines @@
   },
   {
     "enable-zero-copy",
     IDS_FLAGS_ZERO_COPY_NAME,
     IDS_FLAGS_ZERO_COPY_DESCRIPTION,
     kOsAll,
     MULTI_VALUE_TYPE(kZeroCopyChoices)
   },
 #if defined(OS_CHROMEOS)
   {
-    "disable-first-run-ui",
-    IDS_FLAGS_DISABLE_FIRST_RUN_UI_NAME,
-    IDS_FLAGS_DISABLE_FIRST_RUN_UI_DESCRIPTION,
-    kOsCrOS,
-    SINGLE_VALUE_TYPE(chromeos::switches::kDisableFirstRunUI)
-  },
-  {
     "enable-first-run-ui-transitions",
     IDS_FLAGS_ENABLE_FIRST_RUN_UI_TRANSITIONS_NAME,
     IDS_FLAGS_ENABLE_FIRST_RUN_UI_TRANSITIONS_DESCRIPTION,
     kOsCrOS,
     SINGLE_VALUE_TYPE(chromeos::switches::kEnableFirstRunUITransitions)
   },
 #endif
   {
     "disable-compositor-touch-hit-testing",
     IDS_FLAGS_DISABLE_COMPOSITOR_TOUCH_HIT_TESTING_NAME,
@@ skipping 851 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags