Store and retrieve features from shared memory

content/app/content_main_runner.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 "content/public/app/content_main_runner.h"
 
 #include <stddef.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ skipping 137 matching lines @@
   // On POSIX systems that use the zygote, we get the trials from a shared
   // memory segment backed by an fd instead of the command line.
   base::FieldTrialList::CreateTrialsFromCommandLine(
       command_line, switches::kFieldTrialHandle, kFieldTrialDescriptor);
 #else
   base::FieldTrialList::CreateTrialsFromCommandLine(
       command_line, switches::kFieldTrialHandle, -1);
 #endif
 
   std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList);
-  feature_list->InitializeFromCommandLine(
-      command_line.GetSwitchValueASCII(switches::kEnableFeatures),
-      command_line.GetSwitchValueASCII(switches::kDisableFeatures));
+  base::FieldTrialList::CreateFeaturesFromCommandLine(
+      command_line, switches::kEnableFeatures, switches::kDisableFeatures,
+      feature_list.get());
   base::FeatureList::SetInstance(std::move(feature_list));
 }
 
 }  // namespace
 
 #if !defined(CHROME_MULTIPLE_DLL_CHILD)
 base::LazyInstance<ContentBrowserClient>
     g_empty_content_browser_client = LAZY_INSTANCE_INITIALIZER;
 #endif  //  !CHROME_MULTIPLE_DLL_CHILD
 
@@ skipping 671 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ContentMainRunnerImpl);
 };
 
 // static
 ContentMainRunner* ContentMainRunner::Create() {
   return new ContentMainRunnerImpl();
 }
 
 }  // namespace content