[Mac] AppController needs to update its "last profile" pointer when the active profile is deleted

chrome/browser/app_controller_mac_unittest.mm

Index: chrome/browser/app_controller_mac_unittest.mm
diff --git a/chrome/browser/app_controller_mac_unittest.mm b/chrome/browser/app_controller_mac_unittest.mm
index a17c76d94c799e7be09fd3141a4fc3746fd80b61..ed9c813deaed1d19c0dedaafa94b426c331eb560 100644
--- a/chrome/browser/app_controller_mac_unittest.mm
+++ b/chrome/browser/app_controller_mac_unittest.mm
@@ -4,12 +4,35 @@
 
 #import <Cocoa/Cocoa.h>
 
+#include "base/files/file_path.h"
 #include "base/mac/scoped_nsobject.h"
 #include "chrome/app/chrome_command_ids.h"
 #import "chrome/browser/app_controller_mac.h"
+#include "chrome/browser/ui/cocoa/cocoa_profile_test.h"
+#include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/common/chrome_constants.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/test/base/testing_profile_manager.h"
+#include "chrome/test/base/ui_test_utils.h"
 #include "testing/platform_test.h"
 
 class AppControllerTest : public PlatformTest {
+ protected:
+  AppControllerTest()
+      : ui_thread_(content::BrowserThread::UI, &message_loop_),
+        db_thread_(content::BrowserThread::DB, &message_loop_),
+        file_thread_(content::BrowserThread::FILE, &message_loop_) {
+  }
+
+  virtual void TearDown() {
+    TestingBrowserProcess::GetGlobal()->SetProfileManager(NULL);
+    message_loop_.RunUntilIdle();
+  }
+
+  base::MessageLoopForUI message_loop_;
+  content::TestBrowserThread ui_thread_;
+  content::TestBrowserThread db_thread_;
+  content::TestBrowserThread file_thread_;
 };
 
 TEST_F(AppControllerTest, DockMenu) {
@@ -25,3 +48,30 @@ TEST_F(AppControllerTest, DockMenu) {
     EXPECT_EQ(@selector(commandFromDock:), [item action]);
   }
 }
+
+TEST_F(AppControllerTest, LastProfile) {
+  TestingProfileManager manager(TestingBrowserProcess::GetGlobal());
+  ASSERT_TRUE(manager.SetUp());
+
+  // Create two profiles.
+  base::FilePath dest_path1 =
+      manager.CreateTestingProfile("New Profile 1")->GetPath();
+  base::FilePath dest_path2 =
+      manager.CreateTestingProfile("New Profile 2")->GetPath();
+  ASSERT_EQ(2U, manager.profile_manager()->GetNumberOfProfiles());
+  ASSERT_EQ(2U, manager.profile_manager()->GetLoadedProfiles().size());
+
+  PrefService* local_state = g_browser_process->local_state();
+  local_state->SetString(prefs::kProfileLastUsed,
+                         dest_path1.BaseName().MaybeAsASCII());
+
+  base::scoped_nsobject<AppController> ac([[AppController alloc] init]);
+
+  // Delete the active profile.
+  manager.profile_manager()->ScheduleProfileForDeletion(
+      dest_path1, ProfileManager::CreateCallback());
+
+  message_loop_.RunUntilIdle();
+
+  EXPECT_EQ(dest_path2, [ac lastProfile]->GetPath());
+}