[Autofill] Update tests to support native UI

chrome/renderer/autofill/form_autofill_util.cc

 // Copyright (c) 2012 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/renderer/autofill/form_autofill_util.h"
 
 #include <map>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 449 matching lines @@
 void ForEachMatchingFormField(const WebFormElement& form_element,
                               const WebElement& initiating_element,
                               const FormData& data,
                               bool only_focusable_elements,
                               Callback callback) {
   std::vector<WebFormControlElement> control_elements;
   ExtractAutofillableElements(form_element, autofill::REQUIRE_AUTOCOMPLETE,
                               &control_elements);
 
   if (control_elements.size() != data.fields.size()) {
-    // This case should be reachable only for pathological websites, which add
-    // or remove form fields while the user is interacting with the Autofill
-    // popup.  I (isherman) am not aware of any such websites, and so am
-    // optimistically including a NOTREACHED().  If you ever trip this check,
-    // please file a bug against me.
-    NOTREACHED();
+    // This case should be reachable only for pathological websites and tests,
+    // which add or remove form fields while the user is interacting with the
+    // Autofill popup.
     return;
   }
 
   // It's possible that the site has injected fields into the form after the
   // page has loaded, so we can't assert that the size of the cached control
   // elements is equal to the size of the fields in |form|.  Fortunately, the
   // one case in the wild where this happens, paypal.com signup form, the fields
   // are appended to the end of the form and are not visible.
   for (size_t i = 0; i < control_elements.size(); ++i) {
     WebFormControlElement* element = &control_elements[i];
@@ skipping 543 matching lines @@
       continue;
 
     if (input_element->isAutofilled())
       return true;
   }
 
   return false;
 }
 
 }  // namespace autofill