AutoFill profile shouldn't be saved when cancelled during initial setup.

chrome/browser/cocoa/browser_test_helper.h

Index: chrome/browser/cocoa/browser_test_helper.h
diff --git a/chrome/browser/cocoa/browser_test_helper.h b/chrome/browser/cocoa/browser_test_helper.h
index b7e3e64d4d5e32ee05cdb7cb478dbc181e18e5c3..8869aadb768f05da3c0c4cfdf571038886d2f3e1 100644
--- a/chrome/browser/cocoa/browser_test_helper.h
+++ b/chrome/browser/cocoa/browser_test_helper.h
@@ -37,7 +37,7 @@ class BrowserTestHelper {
     browser_.reset(new Browser(Browser::TYPE_NORMAL, profile_.get()));
   }
 
-  ~BrowserTestHelper() {
+  virtual ~BrowserTestHelper() {
     // Delete the testing profile on the UI thread. But first release the
     // browser, since it may trigger accesses to the profile upon destruction.
     browser_.reset(NULL);
@@ -45,7 +45,7 @@ class BrowserTestHelper {
     message_loop_.RunAllPending();
   }
 
-  TestingProfile* profile() const { return profile_.get(); }
+  virtual TestingProfile* profile() const { return profile_.get(); }
   Browser* browser() const { return browser_.get(); }
 
   // Creates the browser window. To close this window call |CloseBrowserWindow|.