Don't register cookie access on empty cookie list.

chrome/browser/tab_contents/tab_specific_content_settings_unittest.cc

 // Copyright (c) 2010 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/browser/tab_contents/tab_specific_content_settings.h"
 
 #include "chrome/test/testing_profile.h"
-#include "net/base/cookie_options.h"
+#include "net/base/cookie_monster.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 class TestContentSettingsDelegate
     : public TabSpecificContentSettings::Delegate {
  public:
   TestContentSettingsDelegate()
       : settings_changed_(false), content_blocked_(false) {}
   virtual ~TestContentSettingsDelegate() {}
 
@@ skipping 111 matching lines @@
       content_settings.IsContentAccessed(CONTENT_SETTINGS_TYPE_COOKIES));
   ASSERT_FALSE(
       content_settings.IsContentBlocked(CONTENT_SETTINGS_TYPE_COOKIES));
   content_settings.OnCookieChanged(
       GURL("http://google.com"), "C=D", options, true);
   ASSERT_TRUE(
       content_settings.IsContentAccessed(CONTENT_SETTINGS_TYPE_COOKIES));
   ASSERT_TRUE(
       content_settings.IsContentBlocked(CONTENT_SETTINGS_TYPE_COOKIES));
 }
+
+TEST(TabSpecificContentSettingsTest, EmptyCookieList) {
+  TestContentSettingsDelegate test_delegate;
+  TestingProfile profile;
+  TabSpecificContentSettings content_settings(&test_delegate, &profile);
+
+  ASSERT_FALSE(
+      content_settings.IsContentAccessed(CONTENT_SETTINGS_TYPE_COOKIES));
+  ASSERT_FALSE(
+      content_settings.IsContentBlocked(CONTENT_SETTINGS_TYPE_COOKIES));
+  content_settings.OnCookiesRead(
+      GURL("http://google.com"), net::CookieList(), true);
+  ASSERT_FALSE(
+      content_settings.IsContentAccessed(CONTENT_SETTINGS_TYPE_COOKIES));
+  ASSERT_FALSE(
+      content_settings.IsContentBlocked(CONTENT_SETTINGS_TYPE_COOKIES));
+}