Multi-Profiles: Only show the avatar icon if user has multiple profiles

chrome/browser/ui/gtk/browser_titlebar.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/ui/gtk/browser_titlebar.h"
 
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/memory/singleton.h"
 #include "base/string_piece.h"
 #include "base/string_tokenizer.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/gtk/accelerators_gtk.h"
 #include "chrome/browser/ui/gtk/browser_window_gtk.h"
 #include "chrome/browser/ui/gtk/custom_button.h"
 #if defined(USE_GCONF)
 #include "chrome/browser/ui/gtk/gconf_titlebar_listener.h"
 #endif
 #include "chrome/browser/ui/gtk/gtk_theme_service.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
@@ skipping 272 matching lines @@
     titlebar_left_spy_frame_ = gtk_alignment_new(0.0, 0.0, 1.0, 1.0);
     gtk_widget_set_no_show_all(titlebar_left_spy_frame_, TRUE);
     gtk_alignment_set_padding(GTK_ALIGNMENT(titlebar_left_spy_frame_), 0,
         kOTRBottomSpacing, kOTRSideSpacing, kOTRSideSpacing);
     gtk_box_pack_start(GTK_BOX(container_hbox_), titlebar_left_spy_frame_,
                        FALSE, FALSE, 0);
   }
 
   // If multi-profile is enabled set up profile button and login notifications.
   // The button lives in its own vbox in container_hbox_.
+  ProfileInfoCache& cache =
+      g_browser_process->profile_manager()->GetProfileInfoCache();
   if (ProfileManager::IsMultipleProfilesEnabled() &&
+      cache.GetNumberOfProfiles() > 1 &&
       !browser_window_->browser()->profile()->IsOffTheRecord()) {
     PrefService* prefs = browser_window_->browser()->profile()->GetPrefs();
     usernamePref_.Init(prefs::kGoogleServicesUsername, prefs, this);
 
     titlebar_profile_vbox_ = gtk_vbox_new(FALSE, 0);
     gtk_box_pack_end(GTK_BOX(container_hbox_), titlebar_profile_vbox_,
                        FALSE, FALSE, 0);
     gtk_widget_show_all(titlebar_profile_vbox_);
 
     profile_button_.reset(new ProfileMenuButton(
@@ skipping 718 matching lines @@
     ui::SimpleMenuModel::Delegate* delegate)
     : SimpleMenuModel(delegate) {
   AddItemWithStringId(IDC_NEW_TAB, IDS_TAB_CXMENU_NEWTAB);
   AddItemWithStringId(IDC_RESTORE_TAB, IDS_RESTORE_TAB);
   AddSeparator();
   AddItemWithStringId(IDC_TASK_MANAGER, IDS_TASK_MANAGER);
   AddSeparator();
   AddCheckItemWithStringId(kShowWindowDecorationsCommand,
                            IDS_SHOW_WINDOW_DECORATIONS_MENU);
 }