bluetooth: Move requestDevice() to UI thread.

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.
 
 #include "content/browser/bluetooth/bluetooth_dispatcher_host.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "content/common/bluetooth/bluetooth_messages.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
@@ skipping 48 matching lines @@
     scoped_refptr<device::BluetoothAdapter> adapter) {
   if (adapter_.get())
     adapter_->RemoveObserver(this);
   adapter_ = adapter;
   if (adapter_.get())
     adapter_->AddObserver(this);
 }
 
 void BluetoothDispatcherHost::OnRequestDevice(int thread_id, int request_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  BrowserThread::PostTask(BrowserThread::UI,
+                          FROM_HERE,
+                          base::Bind(&BluetoothDispatcherHost::OnRequestDeviceUI,
+                                     this, thread_id, request_id));
+}
+
+void BluetoothDispatcherHost::OnRequestDeviceUI(int thread_id, int request_id) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   // TODO(scheib) Extend this very simple mock implementation by using
   // device/bluetooth/test mock adapter and related classes.
   switch (bluetooth_mock_data_set_) {
     case MockData::NOT_MOCKING: {
       // TODO(scheib): Filter devices by services: crbug.com/440594
       // TODO(scheib): Device selection UI: crbug.com/436280
       // TODO(scheib): Utilize BluetoothAdapter::Observer::DeviceAdded/Removed.
       BluetoothAdapter::DeviceList devices;
       if (adapter_.get())
         devices = adapter_->GetDevices();
@@ skipping 61 matching lines @@
     bluetooth_request_device_reject_type_ = BluetoothError::SECURITY;
   } else if (name == "ResolveRequestDevice_Empty" ||  // TODO(scheib): Remove.
              name == "Single Empty Device") {
     bluetooth_mock_data_set_ = MockData::RESOLVE;
   } else {
     bluetooth_mock_data_set_ = MockData::NOT_MOCKING;
   }
 }
 
 }  // namespace content