Make nesting/running states a RunLoop rather than a MessageLoop concept.

device/bluetooth/bluez/bluetooth_bluez_unittest.cc

 // Copyright 2013 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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <utility>
 #include <vector>
@@ skipping 146 matching lines @@
   int confirm_passkey_count_;
   int authorize_pairing_count_;
   uint32_t last_passkey_;
   uint32_t last_entered_;
   std::string last_pincode_;
 
  private:
   // Some tests use a message loop since background processing is simulated;
   // break out of those loops.
   void QuitMessageLoop() {
-    if (base::MessageLoop::current() &&
-        base::MessageLoop::current()->is_running()) {
+    if (base::RunLoop::IsRunningOnCurrentThread())
       base::MessageLoop::current()->QuitWhenIdle();
-    }
   }
 };
 
 class BluetoothBlueZTest : public testing::Test {
  public:
   static const char kGapUuid[];
   static const char kGattUuid[];
   static const char kPnpUuid[];
   static const char kHeadsetUuid[];
 
@@ skipping 174 matching lines @@
   int error_callback_count_;
   enum BluetoothDevice::ConnectErrorCode last_connect_error_;
   std::string last_client_error_;
   std::vector<std::unique_ptr<BluetoothDiscoverySession>> discovery_sessions_;
   BluetoothAdapterProfileBlueZ* adapter_profile_;
 
  private:
   // Some tests use a message loop since background processing is simulated;
   // break out of those loops.
   void QuitMessageLoop() {
-    if (base::MessageLoop::current() &&
-        base::MessageLoop::current()->is_running()) {
+    if (base::RunLoop::IsRunningOnCurrentThread())
       base::MessageLoop::current()->QuitWhenIdle();
-    }
   }
 };
 const char BluetoothBlueZTest::kGapUuid[] =
     "00001800-0000-1000-8000-00805f9b34fb";
 const char BluetoothBlueZTest::kGattUuid[] =
     "00001801-0000-1000-8000-00805f9b34fb";
 const char BluetoothBlueZTest::kPnpUuid[] =
     "00001200-0000-1000-8000-00805f9b34fb";
 const char BluetoothBlueZTest::kHeadsetUuid[] =
     "00001112-0000-1000-8000-00805f9b34fb";
@@ skipping 4195 matching lines @@
 
   // Check that we can update advertising data flags.
   properties->advertising_data_flags.ReplaceValue(std::vector<uint8_t>({0x23}));
   EXPECT_EQ(2, observer.device_changed_count());
   EXPECT_EQ(device, observer.last_device());
   EXPECT_TRUE(device->GetAdvertisingDataFlags().has_value());
   EXPECT_EQ(0x23u, device->GetAdvertisingDataFlags().value());
 }
 
 }  // namespace bluez