Implement preference and policy based content settings providers.

chrome/chrome_tests.gypi

 # 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.
 
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
@@ skipping 1092 matching lines @@
         'browser/content_setting_image_model_unittest.cc',
         'browser/debugger/devtools_remote_listen_socket_unittest.cc',
         'browser/debugger/devtools_remote_listen_socket_unittest.h',
         'browser/debugger/devtools_remote_message_unittest.cc',
         'browser/diagnostics/diagnostics_model_unittest.cc',
         'browser/command_updater_unittest.cc',
         'browser/content_exceptions_table_model_unittest.cc',
         'browser/content_settings/content_settings_pattern_unittest.cc',
         'browser/content_settings/content_settings_provider_unittest.cc',
         'browser/content_settings/host_content_settings_map_unittest.cc',
+        'browser/content_settings/host_content_settings_map_unittest.h',
+        'browser/content_settings/policy_content_settings_provider_unittest.cc',
+        'browser/content_settings/pref_content_settings_provider_unittest.cc',
         'browser/content_settings/mock_content_settings_provider.cc',
         'browser/content_settings/mock_content_settings_provider.h',
         'browser/cookies_tree_model_unittest.cc',
         'browser/debugger/devtools_manager_unittest.cc',
         'browser/device_orientation/provider_unittest.cc',
         'browser/dom_ui/dom_ui_theme_source_unittest.cc',
         'browser/dom_ui/dom_ui_unittest.cc',
         'browser/dom_ui/html_dialog_tab_contents_delegate_unittest.cc',
         'browser/dom_ui/shown_sections_handler_unittest.cc',
         'browser/download/base_file_unittest.cc',
@@ skipping 2410 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
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