Revert 72225 - This patch moves the experiments settings from the user profile...

Revert 72225 - This patch moves the experiments settings from the user profile to the browser's local state, since these settings correspond to command line switches.
This is a release blocker for NaCl, so we decided to push this through.

Windows browser tests are failing.

TEST=manual
BUG= http://code.google.com/p/nativeclient/issues/detail?id=1322
Review URL: http://codereview.chromium.org/6267009

TBR=bbudge@google.com
Review URL: http://codereview.chromium.org/6262010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@72271 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/browser_main.cc

@@ -1244,10 +1244,6 @@ int BrowserMain(const MainFunctionParams& parameters) {
   // 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.
@@ -1583,7 +1579,7 @@ int BrowserMain(const MainFunctionParams& parameters) {
 
   HandleTestParameters(parsed_command_line);
   RecordBreakpadStatusUMA(metrics);
-  about_flags::RecordUMAStatistics(local_state);
+  about_flags::RecordUMAStatistics(user_prefs);
 
   // 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.

chrome/browser/dom_ui/flags_ui.cc

@@ -14,6 +14,7 @@
 #include "chrome/browser/browser_thread.h"
 #include "chrome/browser/dom_ui/chrome_url_data_manager.h"
 #include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/common/jstemplate_builder.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
@@ -135,7 +136,7 @@ void FlagsDOMHandler::HandleRequestFlagsExperiments(const ListValue* args) {
   DictionaryValue results;
   results.Set("flagsExperiments",
               about_flags::GetFlagsExperimentsData(
-                  g_browser_process->local_state()));
+                  dom_ui_->GetProfile()->GetPrefs()));
   results.SetBoolean("needsRestart",
                      about_flags::IsRestartNeededToCommitChanges());
   dom_ui_->CallJavascriptFunction(L"returnFlagsExperiments", results);
@@ -154,7 +155,7 @@ void FlagsDOMHandler::HandleEnableFlagsExperimentMessage(
     return;
 
   about_flags::SetExperimentEnabled(
-      g_browser_process->local_state(),
+      dom_ui_->GetProfile()->GetPrefs(),
       experiment_internal_name,
       enable_str == "true");
 }
@@ -194,6 +195,6 @@ RefCountedMemory* FlagsUI::GetFaviconResourceBytes() {
 }
 
 // static
-void FlagsUI::RegisterPrefs(PrefService* local_state) {
-  local_state->RegisterListPref(prefs::kEnabledLabsExperiments);
+void FlagsUI::RegisterUserPrefs(PrefService* prefs) {
+  prefs->RegisterListPref(prefs::kEnabledLabsExperiments);
 }

chrome/browser/dom_ui/flags_ui.h

@@ -16,7 +16,7 @@ class FlagsUI : public DOMUI {
   explicit FlagsUI(TabContents* contents);
 
   static RefCountedMemory* GetFaviconResourceBytes();
-  static void RegisterPrefs(PrefService* local_state);
+  static void RegisterUserPrefs(PrefService* prefs);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlagsUI);

chrome/browser/prefs/browser_prefs.cc

@@ -86,7 +86,6 @@ void RegisterAllPrefs(PrefService* user_prefs, PrefService* local_state) {
 void RegisterLocalState(PrefService* local_state) {
   // Prefs in Local State
   Browser::RegisterPrefs(local_state);
-  FlagsUI::RegisterPrefs(local_state);
   WebCacheManager::RegisterPrefs(local_state);
   ExternalProtocolHandler::RegisterPrefs(local_state);
   GoogleURLTracker::RegisterPrefs(local_state);
@@ -129,6 +128,7 @@ void RegisterUserPrefs(PrefService* user_prefs) {
   TemplateURLPrepopulateData::RegisterUserPrefs(user_prefs);
   ExtensionDOMUI::RegisterUserPrefs(user_prefs);
   ExtensionsUI::RegisterUserPrefs(user_prefs);
+  FlagsUI::RegisterUserPrefs(user_prefs);
   NewTabUI::RegisterUserPrefs(user_prefs);
   PluginsUI::RegisterUserPrefs(user_prefs);
   ProfileImpl::RegisterUserPrefs(user_prefs);

chrome/browser/profiles/profile_impl.cc

@@ -13,6 +13,7 @@
 #include "base/scoped_ptr.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
+#include "chrome/browser/about_flags.h"
 #include "chrome/browser/appcache/chrome_appcache_service.h"
 #include "chrome/browser/autocomplete/autocomplete_classifier.h"
 #include "chrome/browser/autofill/personal_data_manager.h"
@@ -277,6 +278,9 @@ ProfileImpl::ProfileImpl(const FilePath& path)
   pref_change_registrar_.Add(prefs::kEnableAutoSpellCorrect, this);
   pref_change_registrar_.Add(prefs::kClearSiteDataOnExit, this);
 
+  // Convert active labs into switches. Modifies the current command line.
+  about_flags::ConvertFlagsToSwitches(prefs, CommandLine::ForCurrentProcess());
+
   // It would be nice to use PathService for fetching this directory, but
   // the cache directory depends on the profile directory, which isn't available
   // to PathService.