notifications: Refactor MockBalloonView into FakeBalloonView.

chrome/browser/notifications/notification_test_util.cc

Index: chrome/browser/notifications/notification_test_util.cc
diff --git a/chrome/browser/notifications/notification_test_util.cc b/chrome/browser/notifications/notification_test_util.cc
index 89dca719677696e096cf81f5bf968ee1f3071833..242719664f13b090b2cdcb60b45f50de9f269e88 100644
--- a/chrome/browser/notifications/notification_test_util.cc
+++ b/chrome/browser/notifications/notification_test_util.cc
@@ -17,15 +17,3 @@ std::string MockNotificationDelegate::id() const {
 content::RenderViewHost* MockNotificationDelegate::GetRenderViewHost() const {
   return NULL;
 }
-
-void MockBalloonView::Close(bool by_user) {
-  balloon_->OnClose(by_user);
-}
-
-gfx::Size MockBalloonView::GetSize() const {
-  return balloon_->content_size();
-}
-
-BalloonHost* MockBalloonView::GetHost() const {
-  return NULL;
-}