Implemented system tray UI for new account management.

chrome/browser/ui/ash/system_tray_delegate_chromeos.cc

Index: chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
diff --git a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
index a533a537adc139c1d374aa12d14b36de619d3e52..7989dc34c5eafb93a65b533d75c6ab5fcf0b0f45 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
+++ b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
@@ -77,6 +77,7 @@
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
+#include "chrome/browser/ui/ash/stub_user_accounts_delegate.h"
 #include "chrome/browser/ui/ash/volume_controller_chromeos.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
@@ -914,6 +915,26 @@ bool SystemTrayDelegateChromeOS::IsSearchKeyMappedToCapsLock() {
   return search_key_mapped_to_ == input_method::kCapsLockKey;
 }
 
+ash::tray::UserAccountsDelegate*
+SystemTrayDelegateChromeOS::GetUserAccountsDelegate(
+    const std::string& user_id) {
+  if (!accounts_delegates_.contains(user_id)) {
+    // TODO(dzhioev): replace stub with real implementation.
+    accounts_delegates_.set(user_id,
+                            scoped_ptr<ash::tray::UserAccountsDelegate>(
+                                new StubUserAccountsDelegate(user_id)));
+    static_cast<StubUserAccountsDelegate*>(accounts_delegates_.get(user_id))
+        ->AddAccount("secondary_account1@gmail.com");
+    static_cast<StubUserAccountsDelegate*>(accounts_delegates_.get(user_id))
+        ->AddAccount("very_long_account_name_for_user@gmail.com");
+    static_cast<StubUserAccountsDelegate*>(accounts_delegates_.get(user_id))
+        ->AddAccount("secondary_account2@gmail.com");
+    static_cast<StubUserAccountsDelegate*>(accounts_delegates_.get(user_id))
+        ->AddAccount("very_very_very_long_account_name_for_user@gmail.com");
+  }
+  return accounts_delegates_.get(user_id);
+}
+
 ash::SystemTray* SystemTrayDelegateChromeOS::GetPrimarySystemTray() {
   return ash::Shell::GetInstance()->GetPrimarySystemTray();
 }