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markusheintz@chromium.org authored
Add a content_settings::Observer and make providers notify the host content settings map via the observer interface about content settings changes. The host content settings map now the single source for sending out CONTENT_SETTINGS_CHANGED notification. BUG=TODO TEST=host_content_settings_map_unittest.cc, content_settings_policy_provider_unittest.cc, content_settings_pref_provider_unittest.cc, Review URL: http://codereview.chromium.org/7344008 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@92505 0039d316-1c4b-4281-b951-d872f2087c98
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