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

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
new file mode 100644
index 0000000000000000000000000000000000000000..540e2964f7d0bbb5b3d21c3100c3d9c3f0f32744
--- /dev/null
+++ b/chrome/browser/notifications/notification_test_util.cc
@@ -0,0 +1,26 @@
+// Copyright (c) 2011 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/notifications/notification_test_util.h"
+
+MockNotificationDelegate::MockNotificationDelegate(const std::string& id)
+    : id_(id) {}
+
+MockNotificationDelegate::~MockNotificationDelegate() {}
+
+std::string MockNotificationDelegate::id() const {
+  return id_;
+}
+
+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;
+}