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| 1 // Copyright 2014 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 #include "content/browser/device_sensors/data_fetcher_shared_memory.h" | |
| 6 | |
| 7 #include <GuidDef.h> | |
| 8 #include <InitGuid.h> | |
| 9 #include <PortableDeviceTypes.h> | |
| 10 #include <Sensors.h> | |
| 11 | |
| 12 #include "base/logging.h" | |
| 13 #include "base/macros.h" | |
| 14 #include "base/metrics/histogram_macros.h" | |
| 15 #include "base/win/iunknown_impl.h" | |
| 16 #include "base/win/windows_version.h" | |
| 17 | |
| 18 namespace { | |
| 19 | |
| 20 const double kMeanGravity = 9.80665; | |
| 21 | |
| 22 void SetLightBuffer(content::DeviceLightHardwareBuffer* buffer, double lux) { | |
| 23 DCHECK(buffer); | |
| 24 buffer->seqlock.WriteBegin(); | |
| 25 buffer->data.value = lux; | |
| 26 buffer->seqlock.WriteEnd(); | |
| 27 } | |
| 28 | |
| 29 } // namespace | |
| 30 | |
| 31 | |
| 32 namespace content { | |
| 33 | |
| 34 class DataFetcherSharedMemory::SensorEventSink | |
| 35 : public ISensorEvents, public base::win::IUnknownImpl { | |
| 36 public: | |
| 37 SensorEventSink() {} | |
| 38 ~SensorEventSink() override {} | |
| 39 | |
| 40 // IUnknown interface | |
| 41 ULONG STDMETHODCALLTYPE AddRef() override { | |
| 42 return IUnknownImpl::AddRef(); | |
| 43 } | |
| 44 | |
| 45 ULONG STDMETHODCALLTYPE Release() override { | |
| 46 return IUnknownImpl::Release(); | |
| 47 } | |
| 48 | |
| 49 STDMETHODIMP QueryInterface(REFIID riid, void** ppv) override { | |
| 50 if (riid == __uuidof(ISensorEvents)) { | |
| 51 *ppv = static_cast<ISensorEvents*>(this); | |
| 52 AddRef(); | |
| 53 return S_OK; | |
| 54 } | |
| 55 return IUnknownImpl::QueryInterface(riid, ppv); | |
| 56 } | |
| 57 | |
| 58 // ISensorEvents interface | |
| 59 STDMETHODIMP OnEvent(ISensor* sensor, | |
| 60 REFGUID event_id, | |
| 61 IPortableDeviceValues* event_data) override { | |
| 62 return S_OK; | |
| 63 } | |
| 64 | |
| 65 STDMETHODIMP OnLeave(REFSENSOR_ID sensor_id) override { | |
| 66 return S_OK; | |
| 67 } | |
| 68 | |
| 69 STDMETHODIMP OnStateChanged(ISensor* sensor, SensorState state) override { | |
| 70 return S_OK; | |
| 71 } | |
| 72 | |
| 73 STDMETHODIMP OnDataUpdated(ISensor* sensor, | |
| 74 ISensorDataReport* new_data) override { | |
| 75 if (nullptr == new_data || nullptr == sensor) | |
| 76 return E_INVALIDARG; | |
| 77 return UpdateSharedMemoryBuffer(sensor, new_data) ? S_OK : E_FAIL; | |
| 78 } | |
| 79 | |
| 80 protected: | |
| 81 virtual bool UpdateSharedMemoryBuffer( | |
| 82 ISensor* sensor, ISensorDataReport* new_data) = 0; | |
| 83 | |
| 84 void GetSensorValue(REFPROPERTYKEY property, ISensorDataReport* new_data, | |
| 85 double* value, bool* has_value) { | |
| 86 PROPVARIANT variant_value = {}; | |
| 87 if (SUCCEEDED(new_data->GetSensorValue(property, &variant_value))) { | |
| 88 if (variant_value.vt == VT_R8) | |
| 89 *value = variant_value.dblVal; | |
| 90 else if (variant_value.vt == VT_R4) | |
| 91 *value = variant_value.fltVal; | |
| 92 *has_value = true; | |
| 93 } else { | |
| 94 *value = 0; | |
| 95 *has_value = false; | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 private: | |
| 100 | |
| 101 DISALLOW_COPY_AND_ASSIGN(SensorEventSink); | |
| 102 }; | |
| 103 | |
| 104 class DataFetcherSharedMemory::SensorEventSinkOrientation | |
| 105 : public DataFetcherSharedMemory::SensorEventSink { | |
| 106 public: | |
| 107 explicit SensorEventSinkOrientation( | |
| 108 DeviceOrientationHardwareBuffer* const buffer) : buffer_(buffer) {} | |
| 109 ~SensorEventSinkOrientation() override {} | |
| 110 | |
| 111 protected: | |
| 112 bool UpdateSharedMemoryBuffer( | |
| 113 ISensor* sensor, ISensorDataReport* new_data) override { | |
| 114 double alpha, beta, gamma; | |
| 115 bool has_alpha, has_beta, has_gamma; | |
| 116 | |
| 117 GetSensorValue(SENSOR_DATA_TYPE_TILT_X_DEGREES, new_data, &beta, | |
| 118 &has_beta); | |
| 119 GetSensorValue(SENSOR_DATA_TYPE_TILT_Y_DEGREES, new_data, &gamma, | |
| 120 &has_gamma); | |
| 121 GetSensorValue(SENSOR_DATA_TYPE_TILT_Z_DEGREES, new_data, &alpha, | |
| 122 &has_alpha); | |
| 123 | |
| 124 if (buffer_) { | |
| 125 buffer_->seqlock.WriteBegin(); | |
| 126 buffer_->data.alpha = alpha; | |
| 127 buffer_->data.hasAlpha = has_alpha; | |
| 128 buffer_->data.beta = beta; | |
| 129 buffer_->data.hasBeta = has_beta; | |
| 130 buffer_->data.gamma = gamma; | |
| 131 buffer_->data.hasGamma = has_gamma; | |
| 132 buffer_->data.absolute = has_alpha || has_beta || has_gamma; | |
| 133 buffer_->data.allAvailableSensorsAreActive = true; | |
| 134 buffer_->seqlock.WriteEnd(); | |
| 135 } | |
| 136 | |
| 137 return true; | |
| 138 } | |
| 139 | |
| 140 private: | |
| 141 DeviceOrientationHardwareBuffer* const buffer_; | |
| 142 | |
| 143 DISALLOW_COPY_AND_ASSIGN(SensorEventSinkOrientation); | |
| 144 }; | |
| 145 | |
| 146 class DataFetcherSharedMemory::SensorEventSinkMotion | |
| 147 : public DataFetcherSharedMemory::SensorEventSink { | |
| 148 public: | |
| 149 explicit SensorEventSinkMotion(DeviceMotionHardwareBuffer* const buffer) | |
| 150 : buffer_(buffer) {} | |
| 151 ~SensorEventSinkMotion() override {} | |
| 152 | |
| 153 protected: | |
| 154 bool UpdateSharedMemoryBuffer( | |
| 155 ISensor* sensor, ISensorDataReport* new_data) override { | |
| 156 | |
| 157 SENSOR_TYPE_ID sensor_type = GUID_NULL; | |
| 158 if (!SUCCEEDED(sensor->GetType(&sensor_type))) | |
| 159 return false; | |
| 160 | |
| 161 if (IsEqualIID(sensor_type, SENSOR_TYPE_ACCELEROMETER_3D)) { | |
| 162 double acceleration_including_gravity_x; | |
| 163 double acceleration_including_gravity_y; | |
| 164 double acceleration_including_gravity_z; | |
| 165 bool has_acceleration_including_gravity_x; | |
| 166 bool has_acceleration_including_gravity_y; | |
| 167 bool has_acceleration_including_gravity_z; | |
| 168 | |
| 169 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_X_G, new_data, | |
| 170 &acceleration_including_gravity_x, | |
| 171 &has_acceleration_including_gravity_x); | |
| 172 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_Y_G, new_data, | |
| 173 &acceleration_including_gravity_y, | |
| 174 &has_acceleration_including_gravity_y); | |
| 175 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_Z_G, new_data, | |
| 176 &acceleration_including_gravity_z, | |
| 177 &has_acceleration_including_gravity_z); | |
| 178 | |
| 179 if (buffer_) { | |
| 180 buffer_->seqlock.WriteBegin(); | |
| 181 buffer_->data.accelerationIncludingGravityX = | |
| 182 -acceleration_including_gravity_x * kMeanGravity; | |
| 183 buffer_->data.hasAccelerationIncludingGravityX = | |
| 184 has_acceleration_including_gravity_x; | |
| 185 buffer_->data.accelerationIncludingGravityY = | |
| 186 -acceleration_including_gravity_y * kMeanGravity; | |
| 187 buffer_->data.hasAccelerationIncludingGravityY = | |
| 188 has_acceleration_including_gravity_y; | |
| 189 buffer_->data.accelerationIncludingGravityZ = | |
| 190 -acceleration_including_gravity_z * kMeanGravity; | |
| 191 buffer_->data.hasAccelerationIncludingGravityZ = | |
| 192 has_acceleration_including_gravity_z; | |
| 193 // TODO(timvolodine): consider setting this after all | |
| 194 // sensors have fired. | |
| 195 buffer_->data.allAvailableSensorsAreActive = true; | |
| 196 buffer_->seqlock.WriteEnd(); | |
| 197 } | |
| 198 | |
| 199 } else if (IsEqualIID(sensor_type, SENSOR_TYPE_GYROMETER_3D)) { | |
| 200 double alpha, beta, gamma; | |
| 201 bool has_alpha, has_beta, has_gamma; | |
| 202 | |
| 203 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_X_DEGREES_PER_SECOND, | |
| 204 new_data, &alpha, &has_alpha); | |
| 205 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Y_DEGREES_PER_SECOND, | |
| 206 new_data, &beta, &has_beta); | |
| 207 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Z_DEGREES_PER_SECOND, | |
| 208 new_data, &gamma, &has_gamma); | |
| 209 | |
| 210 if (buffer_) { | |
| 211 buffer_->seqlock.WriteBegin(); | |
| 212 buffer_->data.rotationRateAlpha = alpha; | |
| 213 buffer_->data.hasRotationRateAlpha = has_alpha; | |
| 214 buffer_->data.rotationRateBeta = beta; | |
| 215 buffer_->data.hasRotationRateBeta = has_beta; | |
| 216 buffer_->data.rotationRateGamma = gamma; | |
| 217 buffer_->data.hasRotationRateGamma = has_gamma; | |
| 218 buffer_->data.allAvailableSensorsAreActive = true; | |
| 219 buffer_->seqlock.WriteEnd(); | |
| 220 } | |
| 221 } | |
| 222 | |
| 223 return true; | |
| 224 } | |
| 225 | |
| 226 private: | |
| 227 DeviceMotionHardwareBuffer* const buffer_; | |
| 228 | |
| 229 DISALLOW_COPY_AND_ASSIGN(SensorEventSinkMotion); | |
| 230 }; | |
| 231 | |
| 232 class DataFetcherSharedMemory::SensorEventSinkLight | |
| 233 : public DataFetcherSharedMemory::SensorEventSink { | |
| 234 public: | |
| 235 explicit SensorEventSinkLight(DeviceLightHardwareBuffer* const buffer) | |
| 236 : buffer_(buffer) {} | |
| 237 ~SensorEventSinkLight() override {} | |
| 238 | |
| 239 protected: | |
| 240 bool UpdateSharedMemoryBuffer(ISensor* sensor, | |
| 241 ISensorDataReport* new_data) override { | |
| 242 double lux; | |
| 243 bool has_lux; | |
| 244 | |
| 245 GetSensorValue(SENSOR_DATA_TYPE_LIGHT_LEVEL_LUX, new_data, &lux, &has_lux); | |
| 246 | |
| 247 if(!has_lux) { | |
| 248 // Could not get lux value. | |
| 249 return false; | |
| 250 } | |
| 251 | |
| 252 SetLightBuffer(buffer_, lux); | |
| 253 | |
| 254 return true; | |
| 255 } | |
| 256 | |
| 257 private: | |
| 258 DeviceLightHardwareBuffer* const buffer_; | |
| 259 | |
| 260 DISALLOW_COPY_AND_ASSIGN(SensorEventSinkLight); | |
| 261 }; | |
| 262 | |
| 263 DataFetcherSharedMemory::DataFetcherSharedMemory() {} | |
| 264 | |
| 265 DataFetcherSharedMemory::~DataFetcherSharedMemory() { | |
| 266 } | |
| 267 | |
| 268 DataFetcherSharedMemory::FetcherType DataFetcherSharedMemory::GetType() const { | |
| 269 return FETCHER_TYPE_SEPARATE_THREAD; | |
| 270 } | |
| 271 | |
| 272 bool DataFetcherSharedMemory::Start(ConsumerType consumer_type, void* buffer) { | |
| 273 DCHECK(buffer); | |
| 274 | |
| 275 switch (consumer_type) { | |
| 276 case CONSUMER_TYPE_ORIENTATION: | |
| 277 { | |
| 278 orientation_buffer_ = | |
| 279 static_cast<DeviceOrientationHardwareBuffer*>(buffer); | |
| 280 scoped_refptr<SensorEventSink> sink( | |
| 281 new SensorEventSinkOrientation(orientation_buffer_)); | |
| 282 bool inclinometer_available = RegisterForSensor( | |
| 283 SENSOR_TYPE_INCLINOMETER_3D, sensor_inclinometer_.Receive(), sink); | |
| 284 UMA_HISTOGRAM_BOOLEAN("InertialSensor.InclinometerWindowsAvailable", | |
| 285 inclinometer_available); | |
| 286 if (inclinometer_available) | |
| 287 return true; | |
| 288 // if no sensors are available set buffer to ready, to fire null-events. | |
| 289 SetBufferAvailableState(consumer_type, true); | |
| 290 } | |
| 291 break; | |
| 292 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: | |
| 293 { | |
| 294 orientation_absolute_buffer_ = | |
| 295 static_cast<DeviceOrientationHardwareBuffer*>(buffer); | |
| 296 scoped_refptr<SensorEventSink> sink( | |
| 297 new SensorEventSinkOrientation(orientation_absolute_buffer_)); | |
| 298 // Currently we use the same sensor as for orientation which provides | |
| 299 // absolute angles. | |
| 300 bool inclinometer_available = RegisterForSensor( | |
| 301 SENSOR_TYPE_INCLINOMETER_3D, | |
| 302 sensor_inclinometer_absolute_.Receive(), sink); | |
| 303 // TODO(timvolodine): consider adding UMA. | |
| 304 if (inclinometer_available) | |
| 305 return true; | |
| 306 // if no sensors are available set buffer to ready, to fire null-events. | |
| 307 SetBufferAvailableState(consumer_type, true); | |
| 308 } | |
| 309 break; | |
| 310 case CONSUMER_TYPE_MOTION: | |
| 311 { | |
| 312 motion_buffer_ = static_cast<DeviceMotionHardwareBuffer*>(buffer); | |
| 313 scoped_refptr<SensorEventSink> sink( | |
| 314 new SensorEventSinkMotion(motion_buffer_)); | |
| 315 bool accelerometer_available = RegisterForSensor( | |
| 316 SENSOR_TYPE_ACCELEROMETER_3D, sensor_accelerometer_.Receive(), | |
| 317 sink); | |
| 318 bool gyrometer_available = RegisterForSensor( | |
| 319 SENSOR_TYPE_GYROMETER_3D, sensor_gyrometer_.Receive(), sink); | |
| 320 UMA_HISTOGRAM_BOOLEAN("InertialSensor.AccelerometerWindowsAvailable", | |
| 321 accelerometer_available); | |
| 322 UMA_HISTOGRAM_BOOLEAN("InertialSensor.GyrometerWindowsAvailable", | |
| 323 gyrometer_available); | |
| 324 if (accelerometer_available || gyrometer_available) { | |
| 325 motion_buffer_->seqlock.WriteBegin(); | |
| 326 motion_buffer_->data.interval = GetInterval().InMilliseconds(); | |
| 327 motion_buffer_->seqlock.WriteEnd(); | |
| 328 return true; | |
| 329 } | |
| 330 // if no sensors are available set buffer to ready, to fire null-events. | |
| 331 SetBufferAvailableState(consumer_type, true); | |
| 332 } | |
| 333 break; | |
| 334 case CONSUMER_TYPE_LIGHT: | |
| 335 { | |
| 336 light_buffer_ = static_cast<DeviceLightHardwareBuffer*>(buffer); | |
| 337 scoped_refptr<SensorEventSink> sink( | |
| 338 new SensorEventSinkLight(light_buffer_)); | |
| 339 bool sensor_light_available = RegisterForSensor( | |
| 340 SENSOR_TYPE_AMBIENT_LIGHT, sensor_light_.Receive(), sink); | |
| 341 if (sensor_light_available) { | |
| 342 SetLightBuffer(light_buffer_, -1); | |
| 343 return true; | |
| 344 } | |
| 345 | |
| 346 // if no sensors are available, fire an Infinity event. | |
| 347 SetLightBuffer(light_buffer_, std::numeric_limits<double>::infinity()); | |
| 348 } | |
| 349 break; | |
| 350 default: | |
| 351 NOTREACHED(); | |
| 352 } | |
| 353 return false; | |
| 354 } | |
| 355 | |
| 356 bool DataFetcherSharedMemory::Stop(ConsumerType consumer_type) { | |
| 357 DisableSensors(consumer_type); | |
| 358 switch (consumer_type) { | |
| 359 case CONSUMER_TYPE_ORIENTATION: | |
| 360 SetBufferAvailableState(consumer_type, false); | |
| 361 orientation_buffer_ = nullptr; | |
| 362 return true; | |
| 363 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: | |
| 364 SetBufferAvailableState(consumer_type, false); | |
| 365 orientation_absolute_buffer_ = nullptr; | |
| 366 return true; | |
| 367 case CONSUMER_TYPE_MOTION: | |
| 368 SetBufferAvailableState(consumer_type, false); | |
| 369 motion_buffer_ = nullptr; | |
| 370 return true; | |
| 371 case CONSUMER_TYPE_LIGHT: | |
| 372 SetLightBuffer(light_buffer_, -1); | |
| 373 light_buffer_ = nullptr; | |
| 374 return true; | |
| 375 default: | |
| 376 NOTREACHED(); | |
| 377 } | |
| 378 return false; | |
| 379 } | |
| 380 | |
| 381 bool DataFetcherSharedMemory::RegisterForSensor( | |
| 382 REFSENSOR_TYPE_ID sensor_type, | |
| 383 ISensor** sensor, | |
| 384 scoped_refptr<SensorEventSink> event_sink) { | |
| 385 if (base::win::GetVersion() < base::win::VERSION_WIN7) | |
| 386 return false; | |
| 387 | |
| 388 base::win::ScopedComPtr<ISensorManager> sensor_manager; | |
| 389 HRESULT hr = sensor_manager.CreateInstance(CLSID_SensorManager); | |
| 390 if (FAILED(hr) || !sensor_manager.get()) | |
| 391 return false; | |
| 392 | |
| 393 base::win::ScopedComPtr<ISensorCollection> sensor_collection; | |
| 394 hr = sensor_manager->GetSensorsByType( | |
| 395 sensor_type, sensor_collection.Receive()); | |
| 396 | |
| 397 if (FAILED(hr) || !sensor_collection.get()) | |
| 398 return false; | |
| 399 | |
| 400 ULONG count = 0; | |
| 401 hr = sensor_collection->GetCount(&count); | |
| 402 if (FAILED(hr) || !count) | |
| 403 return false; | |
| 404 | |
| 405 hr = sensor_collection->GetAt(0, sensor); | |
| 406 if (FAILED(hr) || !(*sensor)) | |
| 407 return false; | |
| 408 | |
| 409 base::win::ScopedComPtr<IPortableDeviceValues> device_values; | |
| 410 if (SUCCEEDED(device_values.CreateInstance(CLSID_PortableDeviceValues))) { | |
| 411 if (SUCCEEDED(device_values->SetUnsignedIntegerValue( | |
| 412 SENSOR_PROPERTY_CURRENT_REPORT_INTERVAL, | |
| 413 GetInterval().InMilliseconds()))) { | |
| 414 base::win::ScopedComPtr<IPortableDeviceValues> return_values; | |
| 415 (*sensor)->SetProperties(device_values.get(), return_values.Receive()); | |
| 416 } | |
| 417 } | |
| 418 | |
| 419 base::win::ScopedComPtr<ISensorEvents> sensor_events; | |
| 420 hr = event_sink->QueryInterface( | |
| 421 __uuidof(ISensorEvents), sensor_events.ReceiveVoid()); | |
| 422 if (FAILED(hr) || !sensor_events.get()) | |
| 423 return false; | |
| 424 | |
| 425 hr = (*sensor)->SetEventSink(sensor_events.get()); | |
| 426 if (FAILED(hr)) | |
| 427 return false; | |
| 428 | |
| 429 return true; | |
| 430 } | |
| 431 | |
| 432 void DataFetcherSharedMemory::DisableSensors(ConsumerType consumer_type) { | |
| 433 switch(consumer_type) { | |
| 434 case CONSUMER_TYPE_ORIENTATION: | |
| 435 if (sensor_inclinometer_.get()) { | |
| 436 sensor_inclinometer_->SetEventSink(nullptr); | |
| 437 sensor_inclinometer_.Release(); | |
| 438 } | |
| 439 break; | |
| 440 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: | |
| 441 if (sensor_inclinometer_absolute_.get()) { | |
| 442 sensor_inclinometer_absolute_->SetEventSink(nullptr); | |
| 443 sensor_inclinometer_absolute_.Release(); | |
| 444 } | |
| 445 break; | |
| 446 case CONSUMER_TYPE_MOTION: | |
| 447 if (sensor_accelerometer_.get()) { | |
| 448 sensor_accelerometer_->SetEventSink(nullptr); | |
| 449 sensor_accelerometer_.Release(); | |
| 450 } | |
| 451 if (sensor_gyrometer_.get()) { | |
| 452 sensor_gyrometer_->SetEventSink(nullptr); | |
| 453 sensor_gyrometer_.Release(); | |
| 454 } | |
| 455 break; | |
| 456 case CONSUMER_TYPE_LIGHT: | |
| 457 if (sensor_light_.get()) { | |
| 458 sensor_light_->SetEventSink(nullptr); | |
| 459 sensor_light_.Release(); | |
| 460 } | |
| 461 break; | |
| 462 default: | |
| 463 NOTREACHED(); | |
| 464 } | |
| 465 } | |
| 466 | |
| 467 void DataFetcherSharedMemory::SetBufferAvailableState( | |
| 468 ConsumerType consumer_type, bool enabled) { | |
| 469 switch(consumer_type) { | |
| 470 case CONSUMER_TYPE_ORIENTATION: | |
| 471 if (orientation_buffer_) { | |
| 472 orientation_buffer_->seqlock.WriteBegin(); | |
| 473 orientation_buffer_->data.allAvailableSensorsAreActive = enabled; | |
| 474 orientation_buffer_->seqlock.WriteEnd(); | |
| 475 } | |
| 476 break; | |
| 477 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: | |
| 478 if (orientation_absolute_buffer_) { | |
| 479 orientation_absolute_buffer_->seqlock.WriteBegin(); | |
| 480 orientation_absolute_buffer_->data.allAvailableSensorsAreActive = | |
| 481 enabled; | |
| 482 orientation_absolute_buffer_->seqlock.WriteEnd(); | |
| 483 } | |
| 484 break; | |
| 485 case CONSUMER_TYPE_MOTION: | |
| 486 if (motion_buffer_) { | |
| 487 motion_buffer_->seqlock.WriteBegin(); | |
| 488 motion_buffer_->data.allAvailableSensorsAreActive = enabled; | |
| 489 motion_buffer_->seqlock.WriteEnd(); | |
| 490 } | |
| 491 break; | |
| 492 default: | |
| 493 NOTREACHED(); | |
| 494 } | |
| 495 } | |
| 496 | |
| 497 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2646093002:
Move //content/browser/device_sensor/ into device/sensors (Closed)
