Add enterprise policy to turn off Bluetooth.

content/browser/bluetooth/bluetooth_dispatcher_host.cc

 // Copyright 2014 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.
 
 // ID Not In Map Note:
 // A service, characteristic, or descriptor ID not in the corresponding
 // BluetoothDispatcherHost map [service_to_device_, characteristic_to_service_,
 // descriptor_to_characteristic_] implies a hostile renderer because a renderer
 // obtains the corresponding ID from this class and it will be added to the map
 // at that time.
 
 #include "content/browser/bluetooth/bluetooth_dispatcher_host.h"
 
 #include <stddef.h>
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
 #include "content/browser/bad_message.h"
 #include "content/browser/bluetooth/bluetooth_blacklist.h"
 #include "content/browser/bluetooth/bluetooth_metrics.h"
 #include "content/browser/bluetooth/first_device_bluetooth_chooser.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/common/bluetooth/bluetooth_messages.h"
+#include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_discovery_session.h"
 #include "device/bluetooth/bluetooth_gatt_characteristic.h"
 #include "device/bluetooth/bluetooth_gatt_service.h"
 
 using blink::WebBluetoothError;
@@ skipping 1047 matching lines @@
     return;
   }
 
   // The renderer should never send empty filters.
   if (HasEmptyOrInvalidFilter(filters)) {
     bad_message::ReceivedBadMessage(this,
                                     bad_message::BDH_EMPTY_OR_INVALID_FILTERS);
     return;
   }
 
+  if (!GetContentClient()->browser()->AllowWebBluetooth()) {
+    RecordRequestDeviceOutcome(
+        UMARequestDeviceOutcome::BLUETOOTH_CHOOSER_GLOBALLY_DISABLED);
+    Send(new BluetoothMsg_RequestDeviceError(
+        thread_id, request_id, WebBluetoothError::ChooserDisabled));
+    return;
+  }
+
   // Create storage for the information that backs the chooser, and show the
   // chooser.
   RequestDeviceSession* const session =
       new RequestDeviceSession(thread_id, request_id, frame_routing_id,
                                render_frame_host->GetLastCommittedOrigin(),
                                filters, optional_services_blacklist_filtered);
   int chooser_id = request_device_sessions_.Add(session);
 
   BluetoothChooser::EventHandler chooser_event_handler =
       base::Bind(&BluetoothDispatcherHost::OnBluetoothChooserEvent,
@@ skipping 417 matching lines @@
 
 bool BluetoothDispatcherHost::CanFrameAccessCharacteristicInstance(
     int frame_routing_id,
     const std::string& characteristic_instance_id) {
   return QueryCacheForCharacteristic(GetOrigin(frame_routing_id),
                                      characteristic_instance_id)
              .outcome != CacheQueryOutcome::BAD_RENDERER;
 }
 
 }  // namespace content