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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // chromeos::RemovableDeviceNotificationsCros unit tests. | |
| 6 | |
| 7 #include "chrome/browser/storage_monitor/removable_device_notifications_chromeos
.h" | |
| 8 | |
| 9 #include "base/file_util.h" | |
| 10 #include "base/files/scoped_temp_dir.h" | |
| 11 #include "base/logging.h" | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "base/message_loop.h" | |
| 14 #include "base/utf_string_conversions.h" | |
| 15 #include "chrome/browser/storage_monitor/media_storage_util.h" | |
| 16 #include "chrome/browser/storage_monitor/mock_removable_storage_observer.h" | |
| 17 #include "chrome/browser/storage_monitor/removable_device_constants.h" | |
| 18 #include "chromeos/disks/mock_disk_mount_manager.h" | |
| 19 #include "content/public/test/test_browser_thread.h" | |
| 20 #include "testing/gtest/include/gtest/gtest.h" | |
| 21 | |
| 22 namespace chromeos { | |
| 23 | |
| 24 namespace { | |
| 25 | |
| 26 using content::BrowserThread; | |
| 27 using disks::DiskMountManager; | |
| 28 using testing::_; | |
| 29 | |
| 30 const char kDeviceNameWithManufacturerDetails[] = "110 KB (CompanyA, Z101)"; | |
| 31 const char kDevice1[] = "/dev/d1"; | |
| 32 const char kDevice1Name[] = "d1"; | |
| 33 const char kDevice1NameWithSizeInfo[] = "110 KB d1"; | |
| 34 const char kDevice2[] = "/dev/disk/d2"; | |
| 35 const char kDevice2Name[] = "d2"; | |
| 36 const char kDevice2NameWithSizeInfo[] = "207 KB d2"; | |
| 37 const char kEmptyDeviceLabel[] = ""; | |
| 38 const char kMountPointA[] = "mnt_a"; | |
| 39 const char kMountPointB[] = "mnt_b"; | |
| 40 const char kSDCardDeviceName1[] = "8.6 MB Amy_SD"; | |
| 41 const char kSDCardDeviceName2[] = "8.6 MB SD Card"; | |
| 42 const char kSDCardMountPoint1[] = "media/removable/Amy_SD"; | |
| 43 const char kSDCardMountPoint2[] = "media/removable/SD Card"; | |
| 44 const char kProductName[] = "Z101"; | |
| 45 const char kUniqueId1[] = "FFFF-FFFF"; | |
| 46 const char kUniqueId2[] = "FFFF-FF0F"; | |
| 47 const char kVendorName[] = "CompanyA"; | |
| 48 | |
| 49 uint64 kDevice1SizeInBytes = 113048; | |
| 50 uint64 kDevice2SizeInBytes = 212312; | |
| 51 uint64 kSDCardSizeInBytes = 9000000; | |
| 52 | |
| 53 std::string GetDCIMDeviceId(const std::string& unique_id) { | |
| 54 return chrome::MediaStorageUtil::MakeDeviceId( | |
| 55 chrome::MediaStorageUtil::REMOVABLE_MASS_STORAGE_WITH_DCIM, | |
| 56 chrome::kFSUniqueIdPrefix + unique_id); | |
| 57 } | |
| 58 | |
| 59 // Wrapper class to test RemovableDeviceNotificationsCros. | |
| 60 class RemovableDeviceNotificationsCrosTest : public testing::Test { | |
| 61 public: | |
| 62 RemovableDeviceNotificationsCrosTest(); | |
| 63 virtual ~RemovableDeviceNotificationsCrosTest(); | |
| 64 | |
| 65 protected: | |
| 66 // testing::Test: | |
| 67 virtual void SetUp() OVERRIDE; | |
| 68 virtual void TearDown() OVERRIDE; | |
| 69 | |
| 70 void MountDevice(MountError error_code, | |
| 71 const DiskMountManager::MountPointInfo& mount_info, | |
| 72 const std::string& unique_id, | |
| 73 const std::string& device_label, | |
| 74 const std::string& vendor_name, | |
| 75 const std::string& product_name, | |
| 76 DeviceType device_type, | |
| 77 uint64 device_size_in_bytes); | |
| 78 | |
| 79 void UnmountDevice(MountError error_code, | |
| 80 const DiskMountManager::MountPointInfo& mount_info); | |
| 81 | |
| 82 uint64 GetDeviceStorageSize(const std::string& device_location); | |
| 83 | |
| 84 // Create a directory named |dir| relative to the test directory. | |
| 85 // Set |with_dcim_dir| to true if the created directory will have a "DCIM" | |
| 86 // subdirectory. | |
| 87 // Returns the full path to the created directory on success, or an empty | |
| 88 // path on failure. | |
| 89 base::FilePath CreateMountPoint(const std::string& dir, bool with_dcim_dir); | |
| 90 | |
| 91 static void PostQuitToUIThread(); | |
| 92 static void WaitForFileThread(); | |
| 93 | |
| 94 chrome::MockRemovableStorageObserver& observer() { | |
| 95 return *mock_storage_observer_; | |
| 96 } | |
| 97 | |
| 98 private: | |
| 99 // The message loops and threads to run tests on. | |
| 100 MessageLoop ui_loop_; | |
| 101 content::TestBrowserThread ui_thread_; | |
| 102 content::TestBrowserThread file_thread_; | |
| 103 | |
| 104 // Temporary directory for created test data. | |
| 105 base::ScopedTempDir scoped_temp_dir_; | |
| 106 | |
| 107 // Objects that talks with RemovableDeviceNotificationsCros. | |
| 108 scoped_ptr<chrome::MockRemovableStorageObserver> mock_storage_observer_; | |
| 109 // Owned by DiskMountManager. | |
| 110 disks::MockDiskMountManager* disk_mount_manager_mock_; | |
| 111 | |
| 112 scoped_refptr<RemovableDeviceNotificationsCros> notifications_; | |
| 113 | |
| 114 DISALLOW_COPY_AND_ASSIGN(RemovableDeviceNotificationsCrosTest); | |
| 115 }; | |
| 116 | |
| 117 RemovableDeviceNotificationsCrosTest::RemovableDeviceNotificationsCrosTest() | |
| 118 : ui_thread_(BrowserThread::UI, &ui_loop_), | |
| 119 file_thread_(BrowserThread::FILE) { | |
| 120 } | |
| 121 | |
| 122 RemovableDeviceNotificationsCrosTest::~RemovableDeviceNotificationsCrosTest() { | |
| 123 } | |
| 124 | |
| 125 void RemovableDeviceNotificationsCrosTest::SetUp() { | |
| 126 ASSERT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 127 ASSERT_TRUE(scoped_temp_dir_.CreateUniqueTempDir()); | |
| 128 file_thread_.Start(); | |
| 129 disk_mount_manager_mock_ = new disks::MockDiskMountManager(); | |
| 130 DiskMountManager::InitializeForTesting(disk_mount_manager_mock_); | |
| 131 disk_mount_manager_mock_->SetupDefaultReplies(); | |
| 132 | |
| 133 mock_storage_observer_.reset(new chrome::MockRemovableStorageObserver); | |
| 134 | |
| 135 // Initialize the test subject. | |
| 136 notifications_ = new RemovableDeviceNotificationsCros(); | |
| 137 notifications_->AddObserver(mock_storage_observer_.get()); | |
| 138 } | |
| 139 | |
| 140 void RemovableDeviceNotificationsCrosTest::TearDown() { | |
| 141 notifications_->RemoveObserver(mock_storage_observer_.get()); | |
| 142 notifications_ = NULL; | |
| 143 | |
| 144 disk_mount_manager_mock_ = NULL; | |
| 145 DiskMountManager::Shutdown(); | |
| 146 WaitForFileThread(); | |
| 147 } | |
| 148 | |
| 149 void RemovableDeviceNotificationsCrosTest::MountDevice( | |
| 150 MountError error_code, | |
| 151 const DiskMountManager::MountPointInfo& mount_info, | |
| 152 const std::string& unique_id, | |
| 153 const std::string& device_label, | |
| 154 const std::string& vendor_name, | |
| 155 const std::string& product_name, | |
| 156 DeviceType device_type, | |
| 157 uint64 device_size_in_bytes) { | |
| 158 if (error_code == MOUNT_ERROR_NONE) { | |
| 159 disk_mount_manager_mock_->CreateDiskEntryForMountDevice( | |
| 160 mount_info, unique_id, device_label, vendor_name, product_name, | |
| 161 device_type, device_size_in_bytes); | |
| 162 } | |
| 163 notifications_->OnMountEvent(disks::DiskMountManager::MOUNTING, | |
| 164 error_code, | |
| 165 mount_info); | |
| 166 WaitForFileThread(); | |
| 167 } | |
| 168 | |
| 169 void RemovableDeviceNotificationsCrosTest::UnmountDevice( | |
| 170 MountError error_code, | |
| 171 const DiskMountManager::MountPointInfo& mount_info) { | |
| 172 notifications_->OnMountEvent(disks::DiskMountManager::UNMOUNTING, | |
| 173 error_code, | |
| 174 mount_info); | |
| 175 if (error_code == MOUNT_ERROR_NONE) | |
| 176 disk_mount_manager_mock_->RemoveDiskEntryForMountDevice(mount_info); | |
| 177 WaitForFileThread(); | |
| 178 } | |
| 179 | |
| 180 uint64 RemovableDeviceNotificationsCrosTest::GetDeviceStorageSize( | |
| 181 const std::string& device_location) { | |
| 182 return notifications_->GetStorageSize(device_location); | |
| 183 } | |
| 184 | |
| 185 base::FilePath RemovableDeviceNotificationsCrosTest::CreateMountPoint( | |
| 186 const std::string& dir, bool with_dcim_dir) { | |
| 187 base::FilePath return_path(scoped_temp_dir_.path()); | |
| 188 return_path = return_path.AppendASCII(dir); | |
| 189 base::FilePath path(return_path); | |
| 190 if (with_dcim_dir) | |
| 191 path = path.Append(chrome::kDCIMDirectoryName); | |
| 192 if (!file_util::CreateDirectory(path)) | |
| 193 return base::FilePath(); | |
| 194 return return_path; | |
| 195 } | |
| 196 | |
| 197 // static | |
| 198 void RemovableDeviceNotificationsCrosTest::PostQuitToUIThread() { | |
| 199 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 200 MessageLoop::QuitClosure()); | |
| 201 } | |
| 202 | |
| 203 // static | |
| 204 void RemovableDeviceNotificationsCrosTest::WaitForFileThread() { | |
| 205 BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, | |
| 206 base::Bind(&PostQuitToUIThread)); | |
| 207 MessageLoop::current()->Run(); | |
| 208 } | |
| 209 | |
| 210 // Simple test case where we attach and detach a media device. | |
| 211 TEST_F(RemovableDeviceNotificationsCrosTest, BasicAttachDetach) { | |
| 212 base::FilePath mount_path1 = CreateMountPoint(kMountPointA, true); | |
| 213 ASSERT_FALSE(mount_path1.empty()); | |
| 214 DiskMountManager::MountPointInfo mount_info(kDevice1, | |
| 215 mount_path1.value(), | |
| 216 MOUNT_TYPE_DEVICE, | |
| 217 disks::MOUNT_CONDITION_NONE); | |
| 218 MountDevice(MOUNT_ERROR_NONE, mount_info, kUniqueId1, kDevice1Name, | |
| 219 kVendorName, kProductName, DEVICE_TYPE_USB, kDevice1SizeInBytes); | |
| 220 EXPECT_EQ(1, observer().attach_calls()); | |
| 221 EXPECT_EQ(0, observer().detach_calls()); | |
| 222 EXPECT_EQ(GetDCIMDeviceId(kUniqueId1), observer().last_attached().device_id); | |
| 223 EXPECT_EQ(ASCIIToUTF16(kDevice1NameWithSizeInfo), | |
| 224 observer().last_attached().name); | |
| 225 EXPECT_EQ(mount_path1.value(), observer().last_attached().location); | |
| 226 | |
| 227 UnmountDevice(MOUNT_ERROR_NONE, mount_info); | |
| 228 EXPECT_EQ(1, observer().attach_calls()); | |
| 229 EXPECT_EQ(1, observer().detach_calls()); | |
| 230 EXPECT_EQ(GetDCIMDeviceId(kUniqueId1), observer().last_detached().device_id); | |
| 231 | |
| 232 base::FilePath mount_path2 = CreateMountPoint(kMountPointB, true); | |
| 233 ASSERT_FALSE(mount_path2.empty()); | |
| 234 DiskMountManager::MountPointInfo mount_info2(kDevice2, | |
| 235 mount_path2.value(), | |
| 236 MOUNT_TYPE_DEVICE, | |
| 237 disks::MOUNT_CONDITION_NONE); | |
| 238 MountDevice(MOUNT_ERROR_NONE, mount_info2, kUniqueId2, kDevice2Name, | |
| 239 kVendorName, kProductName, DEVICE_TYPE_USB, kDevice2SizeInBytes); | |
| 240 EXPECT_EQ(2, observer().attach_calls()); | |
| 241 EXPECT_EQ(1, observer().detach_calls()); | |
| 242 EXPECT_EQ(GetDCIMDeviceId(kUniqueId2), observer().last_attached().device_id); | |
| 243 EXPECT_EQ(ASCIIToUTF16(kDevice2NameWithSizeInfo), | |
| 244 observer().last_attached().name); | |
| 245 EXPECT_EQ(mount_path2.value(), observer().last_attached().location); | |
| 246 | |
| 247 UnmountDevice(MOUNT_ERROR_NONE, mount_info2); | |
| 248 EXPECT_EQ(2, observer().attach_calls()); | |
| 249 EXPECT_EQ(2, observer().detach_calls()); | |
| 250 EXPECT_EQ(GetDCIMDeviceId(kUniqueId2), observer().last_detached().device_id); | |
| 251 } | |
| 252 | |
| 253 // Removable mass storage devices with no dcim folder are also recognized. | |
| 254 TEST_F(RemovableDeviceNotificationsCrosTest, NoDCIM) { | |
| 255 testing::Sequence mock_sequence; | |
| 256 base::FilePath mount_path = CreateMountPoint(kMountPointA, false); | |
| 257 const std::string kUniqueId = "FFFF-FFFF"; | |
| 258 ASSERT_FALSE(mount_path.empty()); | |
| 259 DiskMountManager::MountPointInfo mount_info(kDevice1, | |
| 260 mount_path.value(), | |
| 261 MOUNT_TYPE_DEVICE, | |
| 262 disks::MOUNT_CONDITION_NONE); | |
| 263 const std::string device_id = chrome::MediaStorageUtil::MakeDeviceId( | |
| 264 chrome::MediaStorageUtil::REMOVABLE_MASS_STORAGE_NO_DCIM, | |
| 265 chrome::kFSUniqueIdPrefix + kUniqueId); | |
| 266 MountDevice(MOUNT_ERROR_NONE, mount_info, kUniqueId, kDevice1Name, | |
| 267 kVendorName, kProductName, DEVICE_TYPE_USB, kDevice1SizeInBytes); | |
| 268 EXPECT_EQ(1, observer().attach_calls()); | |
| 269 EXPECT_EQ(0, observer().detach_calls()); | |
| 270 EXPECT_EQ(device_id, observer().last_attached().device_id); | |
| 271 EXPECT_EQ(ASCIIToUTF16(kDevice1NameWithSizeInfo), | |
| 272 observer().last_attached().name); | |
| 273 EXPECT_EQ(mount_path.value(), observer().last_attached().location); | |
| 274 } | |
| 275 | |
| 276 // Non device mounts and mount errors are ignored. | |
| 277 TEST_F(RemovableDeviceNotificationsCrosTest, Ignore) { | |
| 278 testing::Sequence mock_sequence; | |
| 279 base::FilePath mount_path = CreateMountPoint(kMountPointA, true); | |
| 280 const std::string kUniqueId = "FFFF-FFFF"; | |
| 281 ASSERT_FALSE(mount_path.empty()); | |
| 282 | |
| 283 // Mount error. | |
| 284 DiskMountManager::MountPointInfo mount_info(kDevice1, | |
| 285 mount_path.value(), | |
| 286 MOUNT_TYPE_DEVICE, | |
| 287 disks::MOUNT_CONDITION_NONE); | |
| 288 MountDevice(MOUNT_ERROR_UNKNOWN, mount_info, kUniqueId, kDevice1Name, | |
| 289 kVendorName, kProductName, DEVICE_TYPE_USB, kDevice1SizeInBytes); | |
| 290 EXPECT_EQ(0, observer().attach_calls()); | |
| 291 EXPECT_EQ(0, observer().detach_calls()); | |
| 292 | |
| 293 // Not a device | |
| 294 mount_info.mount_type = MOUNT_TYPE_ARCHIVE; | |
| 295 MountDevice(MOUNT_ERROR_NONE, mount_info, kUniqueId, kDevice1Name, | |
| 296 kVendorName, kProductName, DEVICE_TYPE_USB, kDevice1SizeInBytes); | |
| 297 EXPECT_EQ(0, observer().attach_calls()); | |
| 298 EXPECT_EQ(0, observer().detach_calls()); | |
| 299 | |
| 300 // Unsupported file system. | |
| 301 mount_info.mount_type = MOUNT_TYPE_DEVICE; | |
| 302 mount_info.mount_condition = disks::MOUNT_CONDITION_UNSUPPORTED_FILESYSTEM; | |
| 303 MountDevice(MOUNT_ERROR_NONE, mount_info, kUniqueId, kDevice1Name, | |
| 304 kVendorName, kProductName, DEVICE_TYPE_USB, kDevice1SizeInBytes); | |
| 305 EXPECT_EQ(0, observer().attach_calls()); | |
| 306 EXPECT_EQ(0, observer().detach_calls()); | |
| 307 } | |
| 308 | |
| 309 TEST_F(RemovableDeviceNotificationsCrosTest, SDCardAttachDetach) { | |
| 310 base::FilePath mount_path1 = CreateMountPoint(kSDCardMountPoint1, true); | |
| 311 ASSERT_FALSE(mount_path1.empty()); | |
| 312 DiskMountManager::MountPointInfo mount_info1(kSDCardDeviceName1, | |
| 313 mount_path1.value(), | |
| 314 MOUNT_TYPE_DEVICE, | |
| 315 disks::MOUNT_CONDITION_NONE); | |
| 316 MountDevice(MOUNT_ERROR_NONE, mount_info1, kUniqueId2, kSDCardDeviceName1, | |
| 317 kVendorName, kProductName, DEVICE_TYPE_SD, kSDCardSizeInBytes); | |
| 318 EXPECT_EQ(1, observer().attach_calls()); | |
| 319 EXPECT_EQ(0, observer().detach_calls()); | |
| 320 EXPECT_EQ(GetDCIMDeviceId(kUniqueId2), observer().last_attached().device_id); | |
| 321 EXPECT_EQ(ASCIIToUTF16(kSDCardDeviceName1), | |
| 322 observer().last_attached().name); | |
| 323 EXPECT_EQ(mount_path1.value(), observer().last_attached().location); | |
| 324 | |
| 325 UnmountDevice(MOUNT_ERROR_NONE, mount_info1); | |
| 326 EXPECT_EQ(1, observer().attach_calls()); | |
| 327 EXPECT_EQ(1, observer().detach_calls()); | |
| 328 EXPECT_EQ(GetDCIMDeviceId(kUniqueId2), observer().last_detached().device_id); | |
| 329 | |
| 330 base::FilePath mount_path2 = CreateMountPoint(kSDCardMountPoint2, true); | |
| 331 ASSERT_FALSE(mount_path2.empty()); | |
| 332 DiskMountManager::MountPointInfo mount_info2(kSDCardDeviceName2, | |
| 333 mount_path2.value(), | |
| 334 MOUNT_TYPE_DEVICE, | |
| 335 disks::MOUNT_CONDITION_NONE); | |
| 336 MountDevice(MOUNT_ERROR_NONE, mount_info2, kUniqueId2, kSDCardDeviceName2, | |
| 337 kVendorName, kProductName, DEVICE_TYPE_SD, kSDCardSizeInBytes); | |
| 338 EXPECT_EQ(2, observer().attach_calls()); | |
| 339 EXPECT_EQ(1, observer().detach_calls()); | |
| 340 EXPECT_EQ(GetDCIMDeviceId(kUniqueId2), observer().last_attached().device_id); | |
| 341 EXPECT_EQ(ASCIIToUTF16(kSDCardDeviceName2), | |
| 342 observer().last_attached().name); | |
| 343 EXPECT_EQ(mount_path2.value(), observer().last_attached().location); | |
| 344 | |
| 345 UnmountDevice(MOUNT_ERROR_NONE, mount_info2); | |
| 346 EXPECT_EQ(2, observer().attach_calls()); | |
| 347 EXPECT_EQ(2, observer().detach_calls()); | |
| 348 EXPECT_EQ(GetDCIMDeviceId(kUniqueId2), observer().last_detached().device_id); | |
| 349 } | |
| 350 | |
| 351 TEST_F(RemovableDeviceNotificationsCrosTest, AttachDeviceWithEmptyLabel) { | |
| 352 base::FilePath mount_path1 = CreateMountPoint(kMountPointA, true); | |
| 353 ASSERT_FALSE(mount_path1.empty()); | |
| 354 DiskMountManager::MountPointInfo mount_info(kEmptyDeviceLabel, | |
| 355 mount_path1.value(), | |
| 356 MOUNT_TYPE_DEVICE, | |
| 357 disks::MOUNT_CONDITION_NONE); | |
| 358 MountDevice(MOUNT_ERROR_NONE, mount_info, kUniqueId1, kEmptyDeviceLabel, | |
| 359 kVendorName, kProductName, DEVICE_TYPE_USB, kDevice1SizeInBytes); | |
| 360 EXPECT_EQ(1, observer().attach_calls()); | |
| 361 EXPECT_EQ(0, observer().detach_calls()); | |
| 362 EXPECT_EQ(GetDCIMDeviceId(kUniqueId1), observer().last_attached().device_id); | |
| 363 EXPECT_EQ(ASCIIToUTF16(kDeviceNameWithManufacturerDetails), | |
| 364 observer().last_attached().name); | |
| 365 EXPECT_EQ(mount_path1.value(), observer().last_attached().location); | |
| 366 | |
| 367 UnmountDevice(MOUNT_ERROR_NONE, mount_info); | |
| 368 EXPECT_EQ(1, observer().attach_calls()); | |
| 369 EXPECT_EQ(1, observer().detach_calls()); | |
| 370 EXPECT_EQ(GetDCIMDeviceId(kUniqueId1), observer().last_detached().device_id); | |
| 371 } | |
| 372 | |
| 373 TEST_F(RemovableDeviceNotificationsCrosTest, GetStorageSize) { | |
| 374 base::FilePath mount_path1 = CreateMountPoint(kMountPointA, true); | |
| 375 ASSERT_FALSE(mount_path1.empty()); | |
| 376 DiskMountManager::MountPointInfo mount_info(kEmptyDeviceLabel, | |
| 377 mount_path1.value(), | |
| 378 MOUNT_TYPE_DEVICE, | |
| 379 disks::MOUNT_CONDITION_NONE); | |
| 380 MountDevice(MOUNT_ERROR_NONE, mount_info, kUniqueId1, kEmptyDeviceLabel, | |
| 381 kVendorName, kProductName, DEVICE_TYPE_USB, kDevice1SizeInBytes); | |
| 382 EXPECT_EQ(1, observer().attach_calls()); | |
| 383 EXPECT_EQ(0, observer().detach_calls()); | |
| 384 EXPECT_EQ(GetDCIMDeviceId(kUniqueId1), observer().last_attached().device_id); | |
| 385 EXPECT_EQ(ASCIIToUTF16(kDeviceNameWithManufacturerDetails), | |
| 386 observer().last_attached().name); | |
| 387 EXPECT_EQ(mount_path1.value(), observer().last_attached().location); | |
| 388 | |
| 389 EXPECT_EQ(kDevice1SizeInBytes, GetDeviceStorageSize(mount_path1.value())); | |
| 390 UnmountDevice(MOUNT_ERROR_NONE, mount_info); | |
| 391 EXPECT_EQ(1, observer().attach_calls()); | |
| 392 EXPECT_EQ(1, observer().detach_calls()); | |
| 393 EXPECT_EQ(GetDCIMDeviceId(kUniqueId1), observer().last_detached().device_id); | |
| 394 } | |
| 395 | |
| 396 } // namespace | |
| 397 | |
| 398 } // namespace chromeos | |
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