[Android] Add enhanced bookmark opt-in flag.

chrome/browser/chrome_browser_main_android.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/chrome_browser_main_android.h"
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/path_service.h"
+#include "chrome/browser/bookmarks/enhanced_bookmarks_features.h"
 #include "chrome/browser/google/google_search_counter_android.h"
+#include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "components/crash/app/breakpad_linux.h"
 #include "components/crash/browser/crash_dump_manager_android.h"
+#include "components/signin/core/browser/signin_manager.h"
 #include "content/public/browser/android/compositor.h"
 #include "content/public/common/main_function_params.h"
 #include "net/android/network_change_notifier_factory_android.h"
 #include "net/base/network_change_notifier.h"
 #include "ui/base/ui_base_paths.h"
 
 ChromeBrowserMainPartsAndroid::ChromeBrowserMainPartsAndroid(
     const content::MainFunctionParams& parameters)
     : ChromeBrowserMainParts(parameters) {
 }
@@ skipping 20 matching lines @@
   if (breakpad_enabled) {
     base::FilePath crash_dump_dir;
     PathService::Get(chrome::DIR_CRASH_DUMPS, &crash_dump_dir);
     crash_dump_manager_.reset(new breakpad::CrashDumpManager(crash_dump_dir));
   }
 
   ChromeBrowserMainParts::PreProfileInit();
 }
 
 void ChromeBrowserMainPartsAndroid::PostProfileInit() {
-  search_counter_.reset(new GoogleSearchCounterAndroid(profile()));
+  Profile* main_profile = profile();
+
+  search_counter_.reset(new GoogleSearchCounterAndroid(main_profile));
+
+  SigninManagerBase* signin = SigninManagerFactory::GetForProfile(main_profile);

[Yaron, 2014/09/05 04:48:43]

Please pull this out from here and external_component_loader and define a
function in enhanced_bookmarks_features (e.g. MaybeInitEnhancedBookmarks or
similar)

[Kibeom Kim (inactive), 2014/09/08 09:26:58]

Done. But I had to increase chrome/browser/bookmarks/DEPS list

+  bool is_signed_in = signin && !signin->IsAuthenticated();
+  UpdateBookmarksExperimentState(
+      main_profile->GetPrefs(),
+      local_state(),
+      is_signed_in,
+      BOOKMARKS_EXPERIMENT_ENABLED_FROM_SYNC_UNKNOWN);
+
   ChromeBrowserMainParts::PostProfileInit();
 }
 
 void ChromeBrowserMainPartsAndroid::PreEarlyInitialization() {
   TRACE_EVENT0("startup",
     "ChromeBrowserMainPartsAndroid::PreEarlyInitialization")
   net::NetworkChangeNotifier::SetFactory(
       new net::NetworkChangeNotifierFactoryAndroid());
 
   content::Compositor::Initialize();
@@ skipping 15 matching lines @@
       "ChromeBrowserMainPartsAndroid::PreEarlyInitialization:StartUiMsgLoop");
     base::MessageLoopForUI::current()->Start();
   }
 
   ChromeBrowserMainParts::PreEarlyInitialization();
 }
 
 void ChromeBrowserMainPartsAndroid::ShowMissingLocaleMessageBox() {
   NOTREACHED();
 }