Keep browser process alive while there are platform apps with background pages running.

chrome/browser/extensions/api/bluetooth/bluetooth_apitest.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 <string.h>
 
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/api/bluetooth/bluetooth_api.h"
 #include "chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h"
 #include "chrome/browser/extensions/extension_apitest.h"
@@ skipping 312 matching lines @@
   event_router()->DeviceAdded(mock_adapter_, device1_.get());
 
   discovery_started.Reply("go");
   ExtensionTestMessageListener discovery_stopped("ready", true);
   EXPECT_TRUE(discovery_stopped.WaitUntilSatisfied());
 
   event_router()->DeviceAdded(mock_adapter_, device2_.get());
   discovery_stopped.Reply("go");
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
+  CloseShellWindowsAndWaitForAppToExit();
 }
 
 IN_PROC_BROWSER_TEST_F(BluetoothApiTest, DiscoveryInProgress) {
   // Fake that the adapter is discovering
   EXPECT_CALL(*mock_adapter_, IsDiscovering()).WillOnce(testing::Return(true));
   event_router()->AdapterDiscoveringChanged(mock_adapter_, true);
 
   // Cache a device before the extension starts discovering
   event_router()->DeviceAdded(mock_adapter_, device1_.get());
 
@@ skipping 10 matching lines @@
 
   discovery_started.Reply("go");
   ExtensionTestMessageListener discovery_stopped("ready", true);
   EXPECT_TRUE(discovery_stopped.WaitUntilSatisfied());
 
   // This should never be received.
   event_router()->DeviceAdded(mock_adapter_, device2_.get());
   discovery_stopped.Reply("go");
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
+  CloseShellWindowsAndWaitForAppToExit();
 }
 
 IN_PROC_BROWSER_TEST_F(BluetoothApiTest, Events) {
   ResultCatcher catcher;
   catcher.RestrictToProfile(browser()->profile());
 
   // Load and wait for setup
   ExtensionTestMessageListener listener("ready", true);
   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("bluetooth/events")));
   EXPECT_TRUE(listener.WaitUntilSatisfied());
 
   event_router()->AdapterPoweredChanged(mock_adapter_, true);
   event_router()->AdapterPoweredChanged(mock_adapter_, false);
   event_router()->AdapterPresentChanged(mock_adapter_, true);
   event_router()->AdapterPresentChanged(mock_adapter_, false);
   event_router()->AdapterDiscoveringChanged(mock_adapter_, true);
   event_router()->AdapterDiscoveringChanged(mock_adapter_, false);
 
   listener.Reply("go");
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
+  CloseShellWindowsAndWaitForAppToExit();
 }
 
 IN_PROC_BROWSER_TEST_F(BluetoothApiTest, GetDevices) {
   ResultCatcher catcher;
   catcher.RestrictToProfile(browser()->profile());
 
   BluetoothAdapter::ConstDeviceList devices;
   devices.push_back(device1_.get());
   devices.push_back(device2_.get());
 
@@ skipping 13 matching lines @@
 
   // Load and wait for setup
   ExtensionTestMessageListener listener("ready", true);
   ASSERT_TRUE(
       LoadExtension(test_data_dir_.AppendASCII("bluetooth/get_devices")));
   EXPECT_TRUE(listener.WaitUntilSatisfied());
 
   listener.Reply("go");
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
+  CloseShellWindowsAndWaitForAppToExit();
 }
 
 IN_PROC_BROWSER_TEST_F(BluetoothApiTest, GetDevicesConcurrently) {
   ResultCatcher catcher;
   catcher.RestrictToProfile(browser()->profile());
 
   BluetoothAdapter::ConstDeviceList devices;
   devices.push_back(device1_.get());
 
   // Save the callback to delay execution so that we can force the calls to
   // happen concurrently.  This will be called after the listener is satisfied.
-  BluetoothDevice::ProvidesServiceCallback callback;
+  BluetoothDevice::ProvidesServiceCallback* callback =
+      new BluetoothDevice::ProvidesServiceCallback;
   EXPECT_CALL(*device1_, ProvidesServiceWithName(testing::_, testing::_))
-      .WillOnce(testing::SaveArg<1>(&callback));
+      .WillOnce(testing::SaveArg<1>(callback));
 
   EXPECT_CALL(*mock_adapter_, GetDevices())
       .WillOnce(testing::Return(devices));
 
   // Load and wait for setup
   ExtensionTestMessageListener listener("ready", true);
   ASSERT_TRUE(LoadExtension(
         test_data_dir_.AppendASCII("bluetooth/get_devices_concurrently")));
   EXPECT_TRUE(listener.WaitUntilSatisfied());
 
-  callback.Run(false);
+  callback->Run(false);
+  delete callback;
   listener.Reply("go");
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
+  CloseShellWindowsAndWaitForAppToExit();
 }
 
 IN_PROC_BROWSER_TEST_F(BluetoothApiTest, GetDevicesError) {
   ResultCatcher catcher;
   catcher.RestrictToProfile(browser()->profile());
 
   // Load and wait for setup
   ExtensionTestMessageListener listener("ready", true);
   ASSERT_TRUE(LoadExtension(
         test_data_dir_.AppendASCII("bluetooth/get_devices_error")));
   EXPECT_TRUE(listener.WaitUntilSatisfied());
 
   listener.Reply("go");
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
+  CloseShellWindowsAndWaitForAppToExit();
 }