Add Device Policy Handler for Bluetooth, and allow disabling the Bluetooth adapter on Chrome OS

chrome/browser/chromeos/settings/device_settings_provider.cc

 // Copyright (c) 2012 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/settings/device_settings_provider.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 439 matching lines @@
         policy.extension_cache_size().extension_cache_size());
   }
 
   if (policy.has_display_rotation_default() &&
       policy.display_rotation_default().has_display_rotation_default()) {
     new_values_cache->SetInteger(
         kDisplayRotationDefault,
         policy.display_rotation_default().display_rotation_default());
   }
 
-  new_values_cache->SetBoolean(
-      kAllowBluetooth, policy.has_allow_bluetooth() &&
-                           policy.allow_bluetooth().has_allow_bluetooth() &&
-                           policy.allow_bluetooth().allow_bluetooth());
+  if (policy.has_allow_bluetooth() &&
+      policy.allow_bluetooth().has_allow_bluetooth()) {
+    new_values_cache->SetBoolean(kAllowBluetooth,
+                                 policy.allow_bluetooth().allow_bluetooth());
+  } else {
+    new_values_cache->SetBoolean(kAllowBluetooth, true);
+  }
 
   if (policy.has_quirks_download_enabled() &&
       policy.quirks_download_enabled().has_quirks_download_enabled()) {
     new_values_cache->SetBoolean(
         kDeviceQuirksDownloadEnabled,
         policy.quirks_download_enabled().quirks_download_enabled());
   }
 }
 
 void DecodeLogUploadPolicies(const em::ChromeDeviceSettingsProto& policy,
@@ skipping 339 matching lines @@
   // Notify the observers we are done.
   std::vector<base::Closure> callbacks;
   callbacks.swap(callbacks_);
   for (size_t i = 0; i < callbacks.size(); ++i)
     callbacks[i].Run();
 
   return settings_loaded;
 }
 
 }  // namespace chromeos