Apply individual policies for the various parts of device status reports.

chrome/browser/chromeos/cros_settings.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/chromeos/cros_settings.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/stl_util.h"
@@ skipping 106 matching lines @@
           std::string("*").append(email.substr(at_pos)));
       return value->Find(wildcarded_value) != value->end();
     }
   }
   return false;
 }
 
 bool CrosSettings::AddSettingsProvider(CrosSettingsProvider* provider) {
   DCHECK(CalledOnValidThread());
   providers_.push_back(provider);
+
+  // Allow the provider to notify this object when settings have changed.
+  // Providers instantiated inside this class will have the same callback
+  // passed to their constructor, but doing it here allows for providers
+  // to be instantiated outside this class.
+  CrosSettingsProvider::NotifyObserversCallback notify_cb(
+      base::Bind(&CrosSettings::FireObservers, base::Unretained(this)));
+  provider->SetNotifyObserversCallback(notify_cb);
   return true;
 }
 
 bool CrosSettings::RemoveSettingsProvider(CrosSettingsProvider* provider) {
   DCHECK(CalledOnValidThread());
   std::vector<CrosSettingsProvider*>::iterator it =
       std::find(providers_.begin(), providers_.end(), provider);
   if (it != providers_.end()) {
     providers_.erase(it);
     return true;
@@ skipping 141 matching lines @@
   // System settings are not mocked currently.
   AddSettingsProvider(new SystemSettingsProvider(notify_cb));
 }
 
 CrosSettings::~CrosSettings() {
   STLDeleteElements(&providers_);
   STLDeleteValues(&settings_observers_);
 }
 
 }  // namespace chromeos