Add profile selector menu to app list.

chrome/browser/ui/app_list/chrome_signin_delegate.cc

Index: chrome/browser/ui/app_list/chrome_signin_delegate.cc
diff --git a/chrome/browser/ui/app_list/chrome_signin_delegate.cc b/chrome/browser/ui/app_list/chrome_signin_delegate.cc
index e7d0aa4228316f8fb225b152f41c6c7d1d61aaa0..8883b076ce2e1ad974b12d9d032275b25ab92507 100644
--- a/chrome/browser/ui/app_list/chrome_signin_delegate.cc
+++ b/chrome/browser/ui/app_list/chrome_signin_delegate.cc
@@ -4,8 +4,10 @@
 
 #include "chrome/browser/ui/app_list/chrome_signin_delegate.h"
 
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/signin/signin_manager.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/signin/signin_promo.h"
@@ -28,8 +30,13 @@ SigninManagerBase* GetSigninManager(Profile* profile) {
 
 }  // namespace
 
-ChromeSigninDelegate::ChromeSigninDelegate(Profile* profile)
-    : profile_(profile) {}
+ChromeSigninDelegate::ChromeSigninDelegate() {}
+
+ChromeSigninDelegate::~ChromeSigninDelegate() {}
+
+void ChromeSigninDelegate::SetProfile(Profile* profile) {
+  profile_ = profile;
+}
 
 bool ChromeSigninDelegate::NeedSignin()  {
 #if defined(OS_CHROMEOS)
@@ -96,5 +103,3 @@ string16 ChromeSigninDelegate::GetSettingsLinkText() {
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   return rb.GetLocalizedString(IDS_APP_LIST_SIGNIN_SETTINGS_TEXT);
 }
-
-ChromeSigninDelegate::~ChromeSigninDelegate() {}