Make the hcsm and its providers communicate via an observer interface.

chrome/browser/content_settings/content_settings_policy_provider_unittest.cc

 // Copyright (c) 2011 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/content_settings/content_settings_policy_provider.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
+#include "chrome/browser/content_settings/content_settings_mock_observer.h"
 #include "chrome/browser/content_settings/mock_settings_observer.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/testing_browser_process_test.h"
 #include "chrome/test/testing_pref_service.h"
 #include "chrome/test/testing_profile.h"
 #include "content/browser/browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 83 matching lines @@
 
 TEST_F(PolicyProviderTest, Default) {
   TestingProfile profile;
   TestingPrefService* prefs = profile.GetTestingPrefService();
 
   ListValue* value = new ListValue();
   value->Append(Value::CreateStringValue("[*.]google.com"));
   prefs->SetManagedPref(prefs::kManagedImagesBlockedForUrls,
                         value);
 
-  PolicyProvider provider(profile.GetHostContentSettingsMap(), prefs, NULL);
+
+  content_settings::MockObserver mock_observer;
+  PolicyProvider provider(&mock_observer, prefs, NULL);
 
   ContentSettingsPattern yt_url_pattern =
       ContentSettingsPattern::FromString("www.youtube.com");
   GURL youtube_url("http://www.youtube.com");
   GURL google_url("http://mail.google.com");
 
   EXPECT_EQ(CONTENT_SETTING_DEFAULT,
             provider.GetContentSetting(
                 youtube_url, youtube_url, CONTENT_SETTINGS_TYPE_COOKIES, ""));
   EXPECT_EQ(CONTENT_SETTING_BLOCK,
@@ skipping 19 matching lines @@
   cmd->AppendSwitch(switches::kEnableResourceContentSettings);
 
   TestingProfile profile;
   TestingPrefService* prefs = profile.GetTestingPrefService();
 
   ListValue* value = new ListValue();
   value->Append(Value::CreateStringValue("[*.]google.com"));
   prefs->SetManagedPref(prefs::kManagedPluginsAllowedForUrls,
                         value);
 
-  PolicyProvider provider(profile.GetHostContentSettingsMap(), prefs, NULL);
+  content_settings::MockObserver mock_observer;
+  PolicyProvider provider(&mock_observer, prefs, NULL);
 
   GURL youtube_url("http://www.youtube.com");
   GURL google_url("http://mail.google.com");
 
   EXPECT_EQ(CONTENT_SETTING_DEFAULT,
             provider.GetContentSetting(
                 youtube_url,
                 youtube_url,
                 CONTENT_SETTINGS_TYPE_PLUGINS,
                 "someplugin"));
@@ skipping 12 matching lines @@
             provider.GetContentSetting(
                 google_url,
                 google_url,
                 CONTENT_SETTINGS_TYPE_PLUGINS,
                 "someplugin"));
 
   provider.ShutdownOnUIThread();
 }
 
 }  // namespace content_settings