[Mac] Apply CrTrackingArea to the two other places where we get |-mouseMoved:| zombie messages.

chrome/browser/ui/cocoa/tracking_area_unittest.mm

 // 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 "base/scoped_nsobject.h"
 #include "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #include "chrome/browser/ui/cocoa/objc_zombie.h"
 #import "chrome/browser/ui/cocoa/tracking_area.h"
 
 // A test object that counts the number of times a message is sent to it.
@@ skipping 66 matching lines @@
 
   [owner_ shouldBecomeCrZombie];
   owner_.reset();
   [trackingArea_ clearOwner];
 
   [[trackingArea_ owner] performMessage];
   // Don't crash!
 
   ObjcEvilDoers::ZombieDisable();
 }
+
+TEST_F(CrTrackingAreaTest, ScoperInit) {
+  {
+    ScopedCrTrackingArea scoper([trackingArea_ retain]);
+    [[scoper.get() owner] performMessage];
+    EXPECT_EQ(1U, [owner_ messageCount]);
+  }
+
+  [[trackingArea_ owner] performMessage];
+  EXPECT_EQ(1U, [owner_ messageCount]);
+}
+
+TEST_F(CrTrackingAreaTest, ScoperReset) {
+  {
+    ScopedCrTrackingArea scoper;
+    EXPECT_FALSE(scoper.get());
+
+    scoper.reset([trackingArea_ retain]);
+    [[scoper.get() owner] performMessage];
+    EXPECT_EQ(1U, [owner_ messageCount]);
+
+    [[scoper.get() owner] performMessage];
+    EXPECT_EQ(2U, [owner_ messageCount]);
+  }
+
+  [[trackingArea_ owner] performMessage];
+  EXPECT_EQ(2U, [owner_ messageCount]);
+}