Move experiments settings (about:flags) from profile to local state.

chrome/browser/browser_main.cc

 // Copyright (c) 2011 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/browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 1226 matching lines @@
   // Initialize histogram synchronizer system. This is a singleton and is used
   // for posting tasks via NewRunnableMethod. Its deleted when it goes out of
   // scope. Even though NewRunnableMethod does AddRef and Release, the object
   // will not be deleted after the Task is executed.
   scoped_refptr<HistogramSynchronizer> histogram_synchronizer(
       new HistogramSynchronizer());
 
   // Initialize the prefs of the local state.
   browser::RegisterLocalState(local_state);
 
+  // Convert active labs into switches. Modifies the current command line.
+  about_flags::ConvertFlagsToSwitches(local_state,
+                                      CommandLine::ForCurrentProcess());
+
   // Now that all preferences have been registered, set the install date
   // for the uninstall metrics if this is our first run. This only actually
   // gets used if the user has metrics reporting enabled at uninstall time.
   int64 install_date =
       local_state->GetInt64(prefs::kUninstallMetricsInstallDate);
   if (install_date == 0) {
     local_state->SetInt64(prefs::kUninstallMetricsInstallDate,
                           base::Time::Now().ToTimeT());
   }
 
@@ skipping 315 matching lines @@
 #if defined(OS_WIN) && !defined(GOOGLE_CHROME_BUILD)
   if (parsed_command_line.HasSwitch(switches::kDebugPrint)) {
     FilePath path =
         parsed_command_line.GetSwitchValuePath(switches::kDebugPrint);
     printing::PrintedDocument::set_debug_dump_path(path);
   }
 #endif
 
   HandleTestParameters(parsed_command_line);
   RecordBreakpadStatusUMA(metrics);
-  about_flags::RecordUMAStatistics(user_prefs);
+  about_flags::RecordUMAStatistics(local_state);
 
   // Stat the directory with the inspector's files so that we can know if we
   // should display the entry in the context menu or not.
   browser_process->CheckForInspectorFiles();
 
 #if defined(OS_CHROMEOS)
   metrics->StartExternalMetrics();
 #endif
 
   // Initialize extension event routers. Note that on Chrome OS, this will
@@ skipping 156 matching lines @@
 #if defined(OS_CHROMEOS)
   // To be precise, logout (browser shutdown) is not yet done, but the
   // remaining work is negligible, hence we say LogoutDone here.
   chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone",
                                                         false);
   chromeos::BootTimesLoader::Get()->WriteLogoutTimes();
 #endif
   TRACE_EVENT_END("BrowserMain", 0, 0);
   return result_code;
 }