Add support for a context menu on the browser shortcut icon

chrome/browser/ui/views/ash/launcher/chrome_launcher_delegate.cc

Index: chrome/browser/ui/views/ash/launcher/chrome_launcher_delegate.cc
diff --git a/chrome/browser/ui/views/ash/launcher/chrome_launcher_delegate.cc b/chrome/browser/ui/views/ash/launcher/chrome_launcher_delegate.cc
index 5278531d98fdf52ae4228d90b0f7addb2d42664c..ffc272c9bc494eeabc6c6e21c1c587f23126f14f 100644
--- a/chrome/browser/ui/views/ash/launcher/chrome_launcher_delegate.cc
+++ b/chrome/browser/ui/views/ash/launcher/chrome_launcher_delegate.cc
@@ -396,6 +396,14 @@ void ChromeLauncherDelegate::UnpinAppsWithID(const std::string& app_id) {
   }
 }
 
+bool ChromeLauncherDelegate::IsLoggedInAsGuest() {
+  return ProfileManager::GetDefaultProfileOrOffTheRecord()->IsOffTheRecord();
+}
+
+void ChromeLauncherDelegate::CreateNewIncognitoWindow() {
+  Browser::NewEmptyWindow(GetProfileForNewWindows()->GetOffTheRecordProfile());
+}
+
 void ChromeLauncherDelegate::SetAutoHideBehavior(
     ash::ShelfAutoHideBehavior behavior) {
   ash::Shell::GetInstance()->SetShelfAutoHideBehavior(behavior);