Add a unittest for PasswordAutofillAgent

components/autofill/content/renderer/password_autofill_agent.cc

 // Copyright 2013 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 "components/autofill/content/renderer/password_autofill_agent.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 207 matching lines @@
 }
 
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
 // PasswordAutofillAgent, public:
 
 PasswordAutofillAgent::PasswordAutofillAgent(content::RenderView* render_view)
     : content::RenderViewObserver(render_view),
       usernames_usage_(NOTHING_TO_AUTOFILL),
-      web_view_(render_view->GetWebView()),
+      web_view_(render_view ? render_view->GetWebView() : NULL),
       logging_state_active_(false),
       weak_ptr_factory_(this) {
 }
 
 PasswordAutofillAgent::~PasswordAutofillAgent() {
 }
 
 PasswordAutofillAgent::PasswordValueGatekeeper::PasswordValueGatekeeper()
     : was_user_gesture_seen_(false) {
 }
@@ skipping 770 matching lines @@
   LoginToPasswordInfoMap::iterator iter = login_to_password_info_.find(input);
   if (iter == login_to_password_info_.end())
     return false;
 
   *found_input = input;
   *found_password = iter->second;
   return true;
 }
 
 }  // namespace autofill