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

chrome/browser/app_controller_profile_observer.mm

Index: chrome/browser/app_controller_profile_observer.mm
diff --git a/chrome/browser/app_controller_profile_observer.mm b/chrome/browser/app_controller_profile_observer.mm
new file mode 100644
index 0000000000000000000000000000000000000000..10fcd421dffff7272141c0366e12fe806fbe18cc
--- /dev/null
+++ b/chrome/browser/app_controller_profile_observer.mm
@@ -0,0 +1,51 @@
+// Copyright (c) 2012 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/app_controller_profile_observer.h"
+
+#import "chrome/browser/app_controller_mac.h"
+#include "base/utf_string_conversions.h"
+
+AppControllerProfileObserver::AppControllerProfileObserver(
+    ProfileManager* profile_manager, id app_controller)
+        : profile_manager_(profile_manager),
+          app_controller_(app_controller) {
+  if (profile_manager_) {

[Roger Tawa OOO till Jul 10th, 2013/05/07 20:54:15]

add DCHECK(profile_manager_) ?

[noms (inactive), 2013/05/08 15:19:35]

Done.

+    profile_manager_->GetProfileInfoCache().AddObserver(this);
+  }
+}
+
+AppControllerProfileObserver::~AppControllerProfileObserver() {
+  if (profile_manager_) {
+    profile_manager_->GetProfileInfoCache().RemoveObserver(this);
+  }
+}
+
+// ProfileInfoCacheObserver implementation:
+
+void AppControllerProfileObserver::OnProfileAdded(
+    const base::FilePath& profile_path) {
+}
+
+void AppControllerProfileObserver::OnProfileWasRemoved(
+    const base::FilePath& profile_path,
+    const string16& profile_name) {
+  // When a profile is deleted we need to notify the AppController,
+  // so that it can correctly update its pointer to the last used profile.
+  [app_controller_ profileWasRemoved:profile_name];
+}
+
+void AppControllerProfileObserver::OnProfileWillBeRemoved(
+    const base::FilePath& profile_path) {
+}
+
+void AppControllerProfileObserver::OnProfileNameChanged(
+    const base::FilePath& profile_path,
+    const string16& old_profile_name) {
+}
+
+void AppControllerProfileObserver::OnProfileAvatarChanged(
+    const base::FilePath& profile_path) {
+}
+