[Mac] Flip the flag for multi-profiles to on by default.

chrome/browser/ui/cocoa/browser_test_helper.h

Index: chrome/browser/ui/cocoa/browser_test_helper.h
diff --git a/chrome/browser/ui/cocoa/browser_test_helper.h b/chrome/browser/ui/cocoa/browser_test_helper.h
index 4b196625b492100c1dd6b24268cff7e822be10e4..d2461529e01a70f1d65676f8552cfce3b240bb2f 100644
--- a/chrome/browser/ui/cocoa/browser_test_helper.h
+++ b/chrome/browser/ui/cocoa/browser_test_helper.h
@@ -9,6 +9,7 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
+#include "chrome/test/base/testing_profile_manager.h"
 #include "content/browser/browser_thread.h"
 
 // Base class which contains a valid Browser*.  Lots of boilerplate to
@@ -32,6 +33,9 @@ class BrowserTestHelper {
 
   virtual TestingProfile* profile() const;
   Browser* browser() const { return browser_.get(); }
+  TestingBrowserProcess* browser_process() {
+    return browser_process_.get();
+  }
 
   // Creates the browser window. To close this window call |CloseBrowserWindow|.
   // Do NOT call close directly on the window.
@@ -42,8 +46,15 @@ class BrowserTestHelper {
   void CloseBrowserWindow();
 
  private:
+  // Code that will relies on g_browser_process->profile_manager() needs special
+  // setup. This performs that setup now that multiprofiles is enabled.
+  void SetUpProfileManager();
+
   ScopedTestingBrowserProcess browser_process_;
 
+  TestingProfileManager* profile_manager_;
+  scoped_ptr<AvatarMenuModel::Item> profile_info_;
+
   scoped_ptr<TestingProfile> profile_;
   scoped_ptr<Browser> browser_;
   MessageLoopForUI message_loop_;