Remove Chromium plumbing for fixed-position-creates-stacking-context.

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 <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 558 matching lines @@
 #if defined(OS_ANDROID)
   {
     "disable-webaudio",
     IDS_FLAGS_DISABLE_WEBAUDIO_NAME,
     IDS_FLAGS_DISABLE_WEBAUDIO_DESCRIPTION,
     kOsAndroid,
     SINGLE_VALUE_TYPE(switches::kDisableWebAudio)
   },
 #endif
   {
-    "fixed-position-creates-stacking-context",
-    IDS_FLAGS_FIXED_POSITION_CREATES_STACKING_CONTEXT_NAME,
-    IDS_FLAGS_FIXED_POSITION_CREATES_STACKING_CONTEXT_DESCRIPTION,
-    kOsAll,
-    ENABLE_DISABLE_VALUE_TYPE(
-        switches::kEnableFixedPositionCreatesStackingContext,
-        switches::kDisableFixedPositionCreatesStackingContext)
-  },
-  {
     "enable-compositing-for-fixed-position",
     IDS_FLAGS_COMPOSITING_FOR_FIXED_POSITION_NAME,
     IDS_FLAGS_COMPOSITING_FOR_FIXED_POSITION_DESCRIPTION,
     kOsAll,
     MULTI_VALUE_TYPE(kEnableCompositingForFixedPositionChoices)
   },
   {
     "enable-compositing-for-transition",
     IDS_FLAGS_COMPOSITING_FOR_TRANSITION_NAME,
     IDS_FLAGS_COMPOSITING_FOR_TRANSITION_DESCRIPTION,
@@ skipping 1764 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags