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| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "core/inspector/AsyncCallTracker.h" | |
| 32 | |
| 33 #include "core/dom/ContextLifecycleObserver.h" | |
| 34 #include "core/dom/ExecutionContext.h" | |
| 35 #include "core/dom/ExecutionContextTask.h" | |
| 36 #include "core/events/Event.h" | |
| 37 #include "core/events/EventTarget.h" | |
| 38 #include "core/inspector/AsyncOperationMap.h" | |
| 39 #include "core/xmlhttprequest/XMLHttpRequest.h" | |
| 40 #include "core/xmlhttprequest/XMLHttpRequestUpload.h" | |
| 41 #include "platform/ScriptForbiddenScope.h" | |
| 42 #include "wtf/text/StringBuilder.h" | |
| 43 #include "wtf/text/StringHash.h" | |
| 44 | |
| 45 namespace { | |
| 46 | |
| 47 static const char setTimeoutName[] = "setTimeout"; | |
| 48 static const char setIntervalName[] = "setInterval"; | |
| 49 static const char requestAnimationFrameName[] = "requestAnimationFrame"; | |
| 50 static const char xhrSendName[] = "XMLHttpRequest.send"; | |
| 51 static const char enqueueMutationRecordName[] = "Mutation"; | |
| 52 | |
| 53 } | |
| 54 | |
| 55 namespace blink { | |
| 56 | |
| 57 class AsyncCallTracker::ExecutionContextData final : public GarbageCollectedFina
lized<ExecutionContextData>, public ContextLifecycleObserver { | |
| 58 USING_GARBAGE_COLLECTED_MIXIN(AsyncCallTracker::ExecutionContextData); | |
| 59 public: | |
| 60 ExecutionContextData(AsyncCallTracker* tracker, ExecutionContext* executionC
ontext) | |
| 61 : ContextLifecycleObserver(executionContext) | |
| 62 , m_tracker(tracker) | |
| 63 , m_timerCallChains(tracker->m_debuggerAgent) | |
| 64 , m_animationFrameCallChains(tracker->m_debuggerAgent) | |
| 65 , m_eventCallChains(tracker->m_debuggerAgent) | |
| 66 , m_xhrCallChains(tracker->m_debuggerAgent) | |
| 67 , m_mutationObserverCallChains(tracker->m_debuggerAgent) | |
| 68 , m_executionContextTaskCallChains(tracker->m_debuggerAgent) | |
| 69 , m_asyncOperations(tracker->m_debuggerAgent) | |
| 70 { | |
| 71 } | |
| 72 | |
| 73 void contextDestroyed() override | |
| 74 { | |
| 75 ASSERT(getExecutionContext()); | |
| 76 RawPtr<ExecutionContextData> self = m_tracker->m_executionContextDataMap
.take(getExecutionContext()); | |
| 77 ASSERT_UNUSED(self, self == this); | |
| 78 ContextLifecycleObserver::contextDestroyed(); | |
| 79 disposeCallChains(); | |
| 80 } | |
| 81 | |
| 82 void unobserve() | |
| 83 { | |
| 84 disposeCallChains(); | |
| 85 ContextLifecycleObserver::clearContext(); | |
| 86 } | |
| 87 | |
| 88 DEFINE_INLINE_VIRTUAL_TRACE() | |
| 89 { | |
| 90 visitor->trace(m_tracker); | |
| 91 #if ENABLE(OILPAN) | |
| 92 visitor->trace(m_timerCallChains); | |
| 93 visitor->trace(m_animationFrameCallChains); | |
| 94 visitor->trace(m_eventCallChains); | |
| 95 visitor->trace(m_xhrCallChains); | |
| 96 visitor->trace(m_mutationObserverCallChains); | |
| 97 visitor->trace(m_executionContextTaskCallChains); | |
| 98 visitor->trace(m_asyncOperations); | |
| 99 #endif | |
| 100 ContextLifecycleObserver::trace(visitor); | |
| 101 } | |
| 102 | |
| 103 Member<AsyncCallTracker> m_tracker; | |
| 104 HashSet<int> m_intervalTimerIds; | |
| 105 AsyncOperationMap<int> m_timerCallChains; | |
| 106 AsyncOperationMap<int> m_animationFrameCallChains; | |
| 107 AsyncOperationMap<Member<Event>> m_eventCallChains; | |
| 108 AsyncOperationMap<Member<EventTarget>> m_xhrCallChains; | |
| 109 AsyncOperationMap<Member<MutationObserver>> m_mutationObserverCallChains; | |
| 110 AsyncOperationMap<ExecutionContextTask*> m_executionContextTaskCallChains; | |
| 111 AsyncOperationMap<int> m_asyncOperations; | |
| 112 | |
| 113 private: | |
| 114 void disposeCallChains() | |
| 115 { | |
| 116 m_timerCallChains.dispose(); | |
| 117 m_animationFrameCallChains.dispose(); | |
| 118 m_eventCallChains.dispose(); | |
| 119 m_xhrCallChains.dispose(); | |
| 120 m_mutationObserverCallChains.dispose(); | |
| 121 m_executionContextTaskCallChains.dispose(); | |
| 122 m_asyncOperations.dispose(); | |
| 123 } | |
| 124 }; | |
| 125 | |
| 126 static XMLHttpRequest* toXmlHttpRequest(EventTarget* eventTarget) | |
| 127 { | |
| 128 const AtomicString& interfaceName = eventTarget->interfaceName(); | |
| 129 if (interfaceName == EventTargetNames::XMLHttpRequest) | |
| 130 return static_cast<XMLHttpRequest*>(eventTarget); | |
| 131 if (interfaceName == EventTargetNames::XMLHttpRequestUpload) | |
| 132 return static_cast<XMLHttpRequestUpload*>(eventTarget)->xmlHttpRequest()
; | |
| 133 return nullptr; | |
| 134 } | |
| 135 | |
| 136 AsyncCallTracker::AsyncCallTracker(V8DebuggerAgent* debuggerAgent, Instrumenting
Agents* instrumentingAgents) | |
| 137 : m_debuggerAgent(debuggerAgent) | |
| 138 , m_instrumentingAgents(instrumentingAgents) | |
| 139 { | |
| 140 } | |
| 141 | |
| 142 AsyncCallTracker::~AsyncCallTracker() | |
| 143 { | |
| 144 } | |
| 145 | |
| 146 void AsyncCallTracker::asyncCallTrackingStateChanged(bool tracking) | |
| 147 { | |
| 148 m_instrumentingAgents->setAsyncCallTracker(tracking ? this : nullptr); | |
| 149 } | |
| 150 | |
| 151 void AsyncCallTracker::resetAsyncOperations() | |
| 152 { | |
| 153 for (auto& it : m_executionContextDataMap) | |
| 154 it.value->unobserve(); | |
| 155 m_executionContextDataMap.clear(); | |
| 156 } | |
| 157 | |
| 158 void AsyncCallTracker::didInstallTimer(ExecutionContext* context, int timerId, i
nt timeout, bool singleShot) | |
| 159 { | |
| 160 ASSERT(context); | |
| 161 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 162 int operationId = m_debuggerAgent->traceAsyncOperationStarting(singleShot ?
setTimeoutName : setIntervalName); | |
| 163 ASSERT(timerId > 0); | |
| 164 ExecutionContextData* data = createContextDataIfNeeded(context); | |
| 165 data->m_timerCallChains.set(timerId, operationId); | |
| 166 if (!singleShot) | |
| 167 data->m_intervalTimerIds.add(timerId); | |
| 168 } | |
| 169 | |
| 170 void AsyncCallTracker::didRemoveTimer(ExecutionContext* context, int timerId) | |
| 171 { | |
| 172 ASSERT(context); | |
| 173 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 174 if (timerId <= 0) | |
| 175 return; | |
| 176 ExecutionContextData* data = m_executionContextDataMap.get(context); | |
| 177 if (!data) | |
| 178 return; | |
| 179 data->m_intervalTimerIds.remove(timerId); | |
| 180 data->m_timerCallChains.remove(timerId); | |
| 181 } | |
| 182 | |
| 183 bool AsyncCallTracker::willFireTimer(ExecutionContext* context, int timerId) | |
| 184 { | |
| 185 ASSERT(context); | |
| 186 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 187 ASSERT(timerId > 0); | |
| 188 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) { | |
| 189 willFireAsyncCall(data->m_timerCallChains.get(timerId)); | |
| 190 if (!data->m_intervalTimerIds.contains(timerId)) | |
| 191 data->m_timerCallChains.remove(timerId); | |
| 192 } else { | |
| 193 willFireAsyncCall(V8DebuggerAgent::unknownAsyncOperationId); | |
| 194 } | |
| 195 return true; | |
| 196 } | |
| 197 | |
| 198 void AsyncCallTracker::didRequestAnimationFrame(ExecutionContext* context, int c
allbackId) | |
| 199 { | |
| 200 ASSERT(context); | |
| 201 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 202 int operationId = m_debuggerAgent->traceAsyncOperationStarting(requestAnimat
ionFrameName); | |
| 203 ASSERT(callbackId > 0); | |
| 204 ExecutionContextData* data = createContextDataIfNeeded(context); | |
| 205 data->m_animationFrameCallChains.set(callbackId, operationId); | |
| 206 } | |
| 207 | |
| 208 void AsyncCallTracker::didCancelAnimationFrame(ExecutionContext* context, int ca
llbackId) | |
| 209 { | |
| 210 ASSERT(context); | |
| 211 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 212 if (callbackId <= 0) | |
| 213 return; | |
| 214 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) | |
| 215 data->m_animationFrameCallChains.remove(callbackId); | |
| 216 } | |
| 217 | |
| 218 bool AsyncCallTracker::willFireAnimationFrame(ExecutionContext* context, int cal
lbackId) | |
| 219 { | |
| 220 ASSERT(context); | |
| 221 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 222 ASSERT(callbackId > 0); | |
| 223 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) { | |
| 224 willFireAsyncCall(data->m_animationFrameCallChains.get(callbackId)); | |
| 225 data->m_animationFrameCallChains.remove(callbackId); | |
| 226 } else { | |
| 227 willFireAsyncCall(V8DebuggerAgent::unknownAsyncOperationId); | |
| 228 } | |
| 229 return true; | |
| 230 } | |
| 231 | |
| 232 void AsyncCallTracker::didEnqueueEvent(EventTarget* eventTarget, Event* event) | |
| 233 { | |
| 234 ASSERT(eventTarget->getExecutionContext()); | |
| 235 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 236 ScriptForbiddenScope::AllowUserAgentScript allowScripting; | |
| 237 int operationId = m_debuggerAgent->traceAsyncOperationStarting(event->type()
); | |
| 238 ExecutionContextData* data = createContextDataIfNeeded(eventTarget->getExecu
tionContext()); | |
| 239 data->m_eventCallChains.set(event, operationId); | |
| 240 } | |
| 241 | |
| 242 void AsyncCallTracker::didRemoveEvent(EventTarget* eventTarget, Event* event) | |
| 243 { | |
| 244 ASSERT(eventTarget->getExecutionContext()); | |
| 245 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 246 if (ExecutionContextData* data = m_executionContextDataMap.get(eventTarget->
getExecutionContext())) | |
| 247 data->m_eventCallChains.remove(event); | |
| 248 } | |
| 249 | |
| 250 void AsyncCallTracker::willHandleEvent(EventTarget* eventTarget, Event* event, E
ventListener* listener, bool useCapture) | |
| 251 { | |
| 252 ASSERT(eventTarget->getExecutionContext()); | |
| 253 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 254 if (XMLHttpRequest* xhr = toXmlHttpRequest(eventTarget)) { | |
| 255 willHandleXHREvent(xhr, event); | |
| 256 } else { | |
| 257 ExecutionContext* context = eventTarget->getExecutionContext(); | |
| 258 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) | |
| 259 willFireAsyncCall(data->m_eventCallChains.get(event)); | |
| 260 else | |
| 261 willFireAsyncCall(V8DebuggerAgent::unknownAsyncOperationId); | |
| 262 } | |
| 263 } | |
| 264 | |
| 265 void AsyncCallTracker::willLoadXHR(XMLHttpRequest* xhr, ThreadableLoaderClient*,
const AtomicString&, const KURL&, bool async, PassRefPtr<EncodedFormData>, cons
t HTTPHeaderMap&, bool) | |
| 266 { | |
| 267 ASSERT(xhr->getExecutionContext()); | |
| 268 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 269 if (!async) | |
| 270 return; | |
| 271 int operationId = m_debuggerAgent->traceAsyncOperationStarting(xhrSendName); | |
| 272 ExecutionContextData* data = createContextDataIfNeeded(xhr->getExecutionCont
ext()); | |
| 273 data->m_xhrCallChains.set(xhr, operationId); | |
| 274 } | |
| 275 | |
| 276 void AsyncCallTracker::didDispatchXHRLoadendEvent(XMLHttpRequest* xhr) | |
| 277 { | |
| 278 ASSERT(xhr->getExecutionContext()); | |
| 279 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 280 if (ExecutionContextData* data = m_executionContextDataMap.get(xhr->getExecu
tionContext())) | |
| 281 data->m_xhrCallChains.remove(xhr); | |
| 282 } | |
| 283 | |
| 284 void AsyncCallTracker::willHandleXHREvent(XMLHttpRequest* xhr, Event* event) | |
| 285 { | |
| 286 ExecutionContext* context = xhr->getExecutionContext(); | |
| 287 ASSERT(context); | |
| 288 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 289 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) | |
| 290 willFireAsyncCall(data->m_xhrCallChains.get(xhr)); | |
| 291 else | |
| 292 willFireAsyncCall(V8DebuggerAgent::unknownAsyncOperationId); | |
| 293 } | |
| 294 | |
| 295 void AsyncCallTracker::didEnqueueMutationRecord(ExecutionContext* context, Mutat
ionObserver* observer) | |
| 296 { | |
| 297 ASSERT(context); | |
| 298 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 299 ExecutionContextData* data = createContextDataIfNeeded(context); | |
| 300 if (data->m_mutationObserverCallChains.contains(observer)) | |
| 301 return; | |
| 302 ScriptForbiddenScope::AllowUserAgentScript allowScripting; | |
| 303 int operationId = m_debuggerAgent->traceAsyncOperationStarting(enqueueMutati
onRecordName); | |
| 304 data->m_mutationObserverCallChains.set(observer, operationId); | |
| 305 } | |
| 306 | |
| 307 void AsyncCallTracker::didClearAllMutationRecords(ExecutionContext* context, Mut
ationObserver* observer) | |
| 308 { | |
| 309 ASSERT(context); | |
| 310 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 311 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) | |
| 312 data->m_mutationObserverCallChains.remove(observer); | |
| 313 } | |
| 314 | |
| 315 void AsyncCallTracker::willDeliverMutationRecords(ExecutionContext* context, Mut
ationObserver* observer) | |
| 316 { | |
| 317 ASSERT(context); | |
| 318 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 319 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) { | |
| 320 willFireAsyncCall(data->m_mutationObserverCallChains.get(observer)); | |
| 321 data->m_mutationObserverCallChains.remove(observer); | |
| 322 } else { | |
| 323 willFireAsyncCall(V8DebuggerAgent::unknownAsyncOperationId); | |
| 324 } | |
| 325 } | |
| 326 | |
| 327 void AsyncCallTracker::didPostExecutionContextTask(ExecutionContext* context, Ex
ecutionContextTask* task) | |
| 328 { | |
| 329 ASSERT(context); | |
| 330 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 331 if (task->taskNameForInstrumentation().isEmpty()) | |
| 332 return; | |
| 333 int operationId = m_debuggerAgent->traceAsyncOperationStarting(task->taskNam
eForInstrumentation()); | |
| 334 ExecutionContextData* data = createContextDataIfNeeded(context); | |
| 335 data->m_executionContextTaskCallChains.set(task, operationId); | |
| 336 } | |
| 337 | |
| 338 void AsyncCallTracker::didKillAllExecutionContextTasks(ExecutionContext* context
) | |
| 339 { | |
| 340 ASSERT(context); | |
| 341 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 342 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) | |
| 343 data->m_executionContextTaskCallChains.clear(); | |
| 344 } | |
| 345 | |
| 346 void AsyncCallTracker::willPerformExecutionContextTask(ExecutionContext* context
, ExecutionContextTask* task) | |
| 347 { | |
| 348 ASSERT(context); | |
| 349 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 350 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) { | |
| 351 willFireAsyncCall(data->m_executionContextTaskCallChains.get(task)); | |
| 352 data->m_executionContextTaskCallChains.remove(task); | |
| 353 } else { | |
| 354 willFireAsyncCall(V8DebuggerAgent::unknownAsyncOperationId); | |
| 355 } | |
| 356 } | |
| 357 | |
| 358 int AsyncCallTracker::traceAsyncOperationStarting(ExecutionContext* context, con
st String& operationName, int prevOperationId) | |
| 359 { | |
| 360 ScriptForbiddenScope::AllowUserAgentScript allowScripting; | |
| 361 ASSERT(context); | |
| 362 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 363 if (prevOperationId) | |
| 364 traceAsyncOperationCompleted(context, prevOperationId); | |
| 365 int operationId = m_debuggerAgent->traceAsyncOperationStarting(operationName
); | |
| 366 ExecutionContextData* data = createContextDataIfNeeded(context); | |
| 367 data->m_asyncOperations.set(operationId, operationId); | |
| 368 return operationId; | |
| 369 } | |
| 370 | |
| 371 void AsyncCallTracker::traceAsyncOperationCompleted(ExecutionContext* context, i
nt operationId) | |
| 372 { | |
| 373 ASSERT(context); | |
| 374 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 375 if (operationId <= 0) | |
| 376 return; | |
| 377 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) | |
| 378 data->m_asyncOperations.remove(operationId); | |
| 379 } | |
| 380 | |
| 381 void AsyncCallTracker::traceAsyncOperationCompletedCallbackStarting(ExecutionCon
text* context, int operationId) | |
| 382 { | |
| 383 traceAsyncCallbackStarting(context, operationId); | |
| 384 traceAsyncOperationCompleted(context, operationId); | |
| 385 } | |
| 386 | |
| 387 bool AsyncCallTracker::isKnownAsyncOperationId(ExecutionContext* context, int op
erationId) const | |
| 388 { | |
| 389 if (operationId <= 0) | |
| 390 return false; | |
| 391 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) | |
| 392 return data->m_asyncOperations.contains(operationId); | |
| 393 return false; | |
| 394 } | |
| 395 | |
| 396 void AsyncCallTracker::traceAsyncCallbackStarting(ExecutionContext* context, int
operationId) | |
| 397 { | |
| 398 ASSERT(context); | |
| 399 ASSERT(m_debuggerAgent->trackingAsyncCalls()); | |
| 400 ASSERT(operationId <= 0 || isKnownAsyncOperationId(context, operationId)); | |
| 401 willFireAsyncCall(operationId > 0 ? operationId : V8DebuggerAgent::unknownAs
yncOperationId); | |
| 402 } | |
| 403 | |
| 404 void AsyncCallTracker::didFireAsyncCall() | |
| 405 { | |
| 406 m_debuggerAgent->traceAsyncCallbackCompleted(); | |
| 407 } | |
| 408 | |
| 409 void AsyncCallTracker::willFireAsyncCall(int operationId) | |
| 410 { | |
| 411 m_debuggerAgent->traceAsyncCallbackStarting(operationId); | |
| 412 } | |
| 413 | |
| 414 AsyncCallTracker::ExecutionContextData* AsyncCallTracker::createContextDataIfNee
ded(ExecutionContext* context) | |
| 415 { | |
| 416 ExecutionContextData* data = m_executionContextDataMap.get(context); | |
| 417 if (!data) { | |
| 418 data = m_executionContextDataMap.set(context, new AsyncCallTracker::Exec
utionContextData(this, context)) | |
| 419 .storedValue->value.get(); | |
| 420 } | |
| 421 return data; | |
| 422 } | |
| 423 | |
| 424 DEFINE_TRACE(AsyncCallTracker) | |
| 425 { | |
| 426 #if ENABLE(OILPAN) | |
| 427 visitor->trace(m_executionContextDataMap); | |
| 428 visitor->trace(m_instrumentingAgents); | |
| 429 #endif | |
| 430 } | |
| 431 | |
| 432 } // namespace blink | |
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Chromium Code Reviews
Issue 1857713004:
DevTools: simplify the async instrumentation harness. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master