[fsp] Unmount file systems when the providing extension gets unloaded.

chrome/browser/chromeos/file_manager/volume_manager_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 "chrome/browser/chromeos/file_manager/volume_manager.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/chromeos/file_manager/fake_disk_mount_manager.h"
 #include "chrome/browser/chromeos/file_manager/volume_manager_observer.h"
 #include "chrome/browser/chromeos/file_system_provider/service.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_profile.h"
 #include "chromeos/dbus/fake_power_manager_client.h"
 #include "chromeos/disks/disk_mount_manager.h"
 #include "content/public/test/test_browser_thread_bundle.h"
+#include "extensions/browser/extension_registry.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace file_manager {
 namespace {
 
 class LoggingObserver : public VolumeManagerObserver {
  public:
   struct Event {
     enum EventType {
       DISK_ADDED,
@@ skipping 110 matching lines @@
  protected:
   VolumeManagerTest() {
   }
   virtual ~VolumeManagerTest() {
   }
 
   virtual void SetUp() OVERRIDE {
     power_manager_client_.reset(new chromeos::FakePowerManagerClient);
     disk_mount_manager_.reset(new FakeDiskMountManager);
     profile_.reset(new TestingProfile);
+    extension_registry_.reset(new extensions::ExtensionRegistry);
     file_system_provider_service_.reset(
-        new chromeos::file_system_provider::Service(profile_.get()));
+        new chromeos::file_system_provider::Service(profile_.get(),
+                                                    extension_registry_.get()));
     volume_manager_.reset(
         new VolumeManager(profile_.get(),
                           NULL,  // DriveIntegrationService
                           power_manager_client_.get(),
                           disk_mount_manager_.get(),
                           file_system_provider_service_.get()));
   }
 
   content::TestBrowserThreadBundle thread_bundle_;
   scoped_ptr<chromeos::FakePowerManagerClient> power_manager_client_;
   scoped_ptr<FakeDiskMountManager> disk_mount_manager_;
   scoped_ptr<TestingProfile> profile_;
+  scoped_ptr<extensions::ExtensionRegistry> extension_registry_;
   scoped_ptr<chromeos::file_system_provider::Service>
       file_system_provider_service_;
   scoped_ptr<VolumeManager> volume_manager_;
 };
 
 TEST_F(VolumeManagerTest, OnDriveFileSystemMountAndUnmount) {
   LoggingObserver observer;
   volume_manager_->AddObserver(&observer);
 
   volume_manager_->OnFileSystemMounted();
@@ skipping 563 matching lines @@
       chromeos::disks::DiskMountManager::MountPointInfo(
           "/other/profile/drive/folder/3.zip",
           "/archive/3",
           chromeos::MOUNT_TYPE_ARCHIVE,
           chromeos::disks::MOUNT_CONDITION_NONE));
   EXPECT_FALSE(volume_manager_->FindVolumeInfoById("archive:3", &volume_info));
   EXPECT_EQ(3u, observer.events().size());
 }
 
 }  // namespace file_manager