Even more test cleanup. Some fixes to non-test code.

chrome/browser/notifications/desktop_notifications_unittest.cc

Index: chrome/browser/notifications/desktop_notifications_unittest.cc
diff --git a/chrome/browser/notifications/desktop_notifications_unittest.cc b/chrome/browser/notifications/desktop_notifications_unittest.cc
index 6effdf165fb1d935f95c22fddb3b592c1d886d03..1470cb61c0e955eb1fa39f77b1733724df163ba2 100644
--- a/chrome/browser/notifications/desktop_notifications_unittest.cc
+++ b/chrome/browser/notifications/desktop_notifications_unittest.cc
@@ -35,6 +35,10 @@ void MockBalloonCollection::Add(const Notification& notification,
   BalloonCollectionImpl::Add(test_notification, profile);
 }
 
+bool MockBalloonCollection::HasSpace() const {
+  return count() < kMockBalloonSpace;
+}
+
 Balloon* MockBalloonCollection::MakeBalloon(const Notification& notification,
                                             Profile* profile) {
   // Start with a normal balloon but mock out the view.
@@ -55,6 +59,10 @@ void MockBalloonCollection::OnBalloonClosed(Balloon* source) {
   }
 }
 
+const BalloonCollection::Balloons& MockBalloonCollection::GetActiveBalloons() {
+  return balloons_;
+}
+
 int MockBalloonCollection::UppermostVerticalPosition() {
   int min = 0;
   std::deque<Balloon*>::iterator iter;