Reverting 22324.

chrome/browser/cocoa/custom_home_pages_model_unittest.mm

 // Copyright (c) 2009 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/cocoa/browser_test_helper.h"
 #import "chrome/browser/cocoa/custom_home_pages_model.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
@@ skipping 114 matching lines @@
                   isEqualToString:@"www.google.com"]);
 
   [model_ removeObserver:kvo_helper forKeyPath:@"customHomePages"];
 }
 
 @interface NSObject()
 - (void)setURL:(NSString*)url;
 @end
 
 // Test that when individual items are changed that they broadcast a message.
-// Crashy, see http://crbug.com/17452.
-TEST_F(CustomHomePagesModelTest, DISABLED_ModelChangedNotification) {
+TEST_F(CustomHomePagesModelTest, ModelChangedNotification) {
   scoped_nsobject<CustomHomePageHelper> kvo_helper(
       [[CustomHomePageHelper alloc] init]);
   [[NSNotificationCenter defaultCenter]
       addObserver:kvo_helper
          selector:@selector(entryChanged:)
              name:kHomepageEntryChangedNotification
             object:nil];
 
   std::vector<GURL> urls;
   urls.push_back(GURL("http://www.google.com"));
   [model_ setURLs:urls];
   NSObject* entry = [model_ objectInCustomHomePagesAtIndex:0];
   [entry setURL:@"http://www.foo.bar"];
   EXPECT_TRUE(kvo_helper.get()->sawNotification_);
   [[NSNotificationCenter defaultCenter] removeObserver:kvo_helper];
 }