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| 1 /* | |
| 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) | |
| 3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org> | |
| 4 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | |
| 5 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All | |
| 6 rights reserved. | |
| 7 | |
| 8 This library is free software; you can redistribute it and/or | |
| 9 modify it under the terms of the GNU Library General Public | |
| 10 License as published by the Free Software Foundation; either | |
| 11 version 2 of the License, or (at your option) any later version. | |
| 12 | |
| 13 This library is distributed in the hope that it will be useful, | |
| 14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 Library General Public License for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU Library General Public License | |
| 19 along with this library; see the file COPYING.LIB. If not, write to | |
| 20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 21 Boston, MA 02110-1301, USA. | |
| 22 */ | |
| 23 | |
| 24 #ifndef Resource_h | |
| 25 #define Resource_h | |
| 26 | |
| 27 #include "core/CoreExport.h" | |
| 28 #include "core/fetch/CachedMetadataHandler.h" | |
| 29 #include "core/fetch/IntegrityMetadata.h" | |
| 30 #include "core/fetch/ResourceLoaderOptions.h" | |
| 31 #include "core/fetch/ResourceStatus.h" | |
| 32 #include "platform/MemoryCoordinator.h" | |
| 33 #include "platform/SharedBuffer.h" | |
| 34 #include "platform/Timer.h" | |
| 35 #include "platform/instrumentation/tracing/web_process_memory_dump.h" | |
| 36 #include "platform/network/ResourceError.h" | |
| 37 #include "platform/network/ResourceLoadPriority.h" | |
| 38 #include "platform/network/ResourceRequest.h" | |
| 39 #include "platform/network/ResourceResponse.h" | |
| 40 #include "public/platform/WebDataConsumerHandle.h" | |
| 41 #include "wtf/Allocator.h" | |
| 42 #include "wtf/AutoReset.h" | |
| 43 #include "wtf/HashCountedSet.h" | |
| 44 #include "wtf/HashSet.h" | |
| 45 #include "wtf/text/AtomicString.h" | |
| 46 #include "wtf/text/WTFString.h" | |
| 47 #include <memory> | |
| 48 | |
| 49 namespace blink { | |
| 50 | |
| 51 class FetchRequest; | |
| 52 class ResourceClient; | |
| 53 class ResourceFetcher; | |
| 54 class ResourceTimingInfo; | |
| 55 class ResourceLoader; | |
| 56 class SecurityOrigin; | |
| 57 | |
| 58 // A resource that is held in the cache. Classes who want to use this object | |
| 59 // should derive from ResourceClient, to get the function calls in case the | |
| 60 // requested data has arrived. This class also does the actual communication | |
| 61 // with the loader to obtain the resource from the network. | |
| 62 class CORE_EXPORT Resource : public GarbageCollectedFinalized<Resource>, | |
| 63 public MemoryCoordinatorClient { | |
| 64 USING_GARBAGE_COLLECTED_MIXIN(Resource); | |
| 65 WTF_MAKE_NONCOPYABLE(Resource); | |
| 66 | |
| 67 public: | |
| 68 // |Type| enum values are used in UMAs, so do not change the values of | |
| 69 // existing |Type|. When adding a new |Type|, append it at the end and update | |
| 70 // |kLastResourceType|. | |
| 71 enum Type { | |
| 72 MainResource, | |
| 73 Image, | |
| 74 CSSStyleSheet, | |
| 75 Script, | |
| 76 Font, | |
| 77 Raw, | |
| 78 SVGDocument, | |
| 79 XSLStyleSheet, | |
| 80 LinkPrefetch, | |
| 81 TextTrack, | |
| 82 ImportResource, | |
| 83 Media, // Audio or video file requested by a HTML5 media element | |
| 84 Manifest, | |
| 85 Mock // Only for testing | |
| 86 }; | |
| 87 static const int kLastResourceType = Mock + 1; | |
| 88 | |
| 89 using Status = ResourceStatus; | |
| 90 | |
| 91 // TODO(hiroshige): Remove the following declarations. | |
| 92 static constexpr Status NotStarted = ResourceStatus::NotStarted; | |
| 93 static constexpr Status Pending = ResourceStatus::Pending; | |
| 94 static constexpr Status Cached = ResourceStatus::Cached; | |
| 95 static constexpr Status LoadError = ResourceStatus::LoadError; | |
| 96 static constexpr Status DecodeError = ResourceStatus::DecodeError; | |
| 97 | |
| 98 // Whether a resource client for a preload should mark the preload as | |
| 99 // referenced. | |
| 100 enum PreloadReferencePolicy { | |
| 101 MarkAsReferenced, | |
| 102 DontMarkAsReferenced, | |
| 103 }; | |
| 104 | |
| 105 // Used by reloadIfLoFiOrPlaceholderImage(). | |
| 106 enum ReloadLoFiOrPlaceholderPolicy { | |
| 107 kReloadIfNeeded, | |
| 108 kReloadAlwaysWithExistingCachePolicy, | |
| 109 kReloadAlways, | |
| 110 }; | |
| 111 | |
| 112 virtual ~Resource(); | |
| 113 | |
| 114 DECLARE_VIRTUAL_TRACE(); | |
| 115 | |
| 116 virtual void setEncoding(const String&) {} | |
| 117 virtual String encoding() const { return String(); } | |
| 118 virtual void appendData(const char*, size_t); | |
| 119 virtual void error(const ResourceError&); | |
| 120 virtual void setCORSFailed() {} | |
| 121 | |
| 122 void setNeedsSynchronousCacheHit(bool needsSynchronousCacheHit) { | |
| 123 m_needsSynchronousCacheHit = needsSynchronousCacheHit; | |
| 124 } | |
| 125 | |
| 126 void setLinkPreload(bool isLinkPreload) { m_linkPreload = isLinkPreload; } | |
| 127 bool isLinkPreload() const { return m_linkPreload; } | |
| 128 | |
| 129 void setPreloadDiscoveryTime(double preloadDiscoveryTime) { | |
| 130 m_preloadDiscoveryTime = preloadDiscoveryTime; | |
| 131 } | |
| 132 | |
| 133 const ResourceError& resourceError() const { return m_error; } | |
| 134 | |
| 135 void setIdentifier(unsigned long identifier) { m_identifier = identifier; } | |
| 136 unsigned long identifier() const { return m_identifier; } | |
| 137 | |
| 138 virtual bool shouldIgnoreHTTPStatusCodeErrors() const { return false; } | |
| 139 | |
| 140 const ResourceRequest& resourceRequest() const { return m_resourceRequest; } | |
| 141 const ResourceRequest& lastResourceRequest() const; | |
| 142 | |
| 143 virtual void setRevalidatingRequest(const ResourceRequest&); | |
| 144 | |
| 145 void setFetcherSecurityOrigin(SecurityOrigin* origin) { | |
| 146 m_fetcherSecurityOrigin = origin; | |
| 147 } | |
| 148 | |
| 149 // This url can have a fragment, but it can match resources that differ by the | |
| 150 // fragment only. | |
| 151 const KURL& url() const { return m_resourceRequest.url(); } | |
| 152 Type getType() const { return static_cast<Type>(m_type); } | |
| 153 const ResourceLoaderOptions& options() const { return m_options; } | |
| 154 ResourceLoaderOptions& mutableOptions() { return m_options; } | |
| 155 | |
| 156 void didChangePriority(ResourceLoadPriority, int intraPriorityValue); | |
| 157 virtual ResourcePriority priorityFromObservers() { | |
| 158 return ResourcePriority(); | |
| 159 } | |
| 160 | |
| 161 // The reference policy indicates that the client should not affect whether | |
| 162 // a preload is considered referenced or not. This allows for "passive" | |
| 163 // resource clients that simply observe the resource. | |
| 164 void addClient(ResourceClient*, PreloadReferencePolicy = MarkAsReferenced); | |
| 165 void removeClient(ResourceClient*); | |
| 166 | |
| 167 enum PreloadResult { | |
| 168 PreloadNotReferenced, | |
| 169 PreloadReferenced, | |
| 170 PreloadReferencedWhileLoading, | |
| 171 PreloadReferencedWhileComplete | |
| 172 }; | |
| 173 PreloadResult getPreloadResult() const { return m_preloadResult; } | |
| 174 | |
| 175 Status getStatus() const { return m_status; } | |
| 176 void setStatus(Status status) { m_status = status; } | |
| 177 | |
| 178 size_t size() const { return encodedSize() + decodedSize() + overheadSize(); } | |
| 179 | |
| 180 // Returns the size of content (response body) before decoding. Adding a new | |
| 181 // usage of this function is not recommended (See the TODO below). | |
| 182 // | |
| 183 // TODO(hiroshige): Now encodedSize/decodedSize states are inconsistent and | |
| 184 // need to be refactored (crbug/643135). | |
| 185 size_t encodedSize() const { return m_encodedSize; } | |
| 186 | |
| 187 // Returns the current memory usage for the encoded data. Adding a new usage | |
| 188 // of this function is not recommended as the same reason as |encodedSize()|. | |
| 189 // | |
| 190 // |encodedSize()| and |encodedSizeMemoryUsageForTesting()| can return | |
| 191 // different values, e.g., when ImageResource purges encoded image data after | |
| 192 // finishing loading. | |
| 193 size_t encodedSizeMemoryUsageForTesting() const { | |
| 194 return m_encodedSizeMemoryUsage; | |
| 195 } | |
| 196 | |
| 197 size_t decodedSize() const { return m_decodedSize; } | |
| 198 size_t overheadSize() const { return m_overheadSize; } | |
| 199 | |
| 200 bool isLoaded() const { return m_status > Pending; } | |
| 201 | |
| 202 bool isLoading() const { return m_status == Pending; } | |
| 203 bool stillNeedsLoad() const { return m_status < Pending; } | |
| 204 | |
| 205 void setLoader(ResourceLoader*); | |
| 206 ResourceLoader* loader() const { return m_loader.get(); } | |
| 207 | |
| 208 virtual bool isImage() const { return false; } | |
| 209 bool shouldBlockLoadEvent() const; | |
| 210 bool isLoadEventBlockingResourceType() const; | |
| 211 | |
| 212 // Computes the status of an object after loading. Updates the expire date on | |
| 213 // the cache entry file | |
| 214 virtual void finish(double finishTime); | |
| 215 void finish() { finish(0.0); } | |
| 216 | |
| 217 bool passesAccessControlCheck(SecurityOrigin*) const; | |
| 218 | |
| 219 virtual PassRefPtr<const SharedBuffer> resourceBuffer() const { | |
| 220 return m_data; | |
| 221 } | |
| 222 void setResourceBuffer(PassRefPtr<SharedBuffer>); | |
| 223 | |
| 224 virtual bool willFollowRedirect(const ResourceRequest&, | |
| 225 const ResourceResponse&); | |
| 226 | |
| 227 // Called when a redirect response was received but a decision has already | |
| 228 // been made to not follow it. | |
| 229 virtual void willNotFollowRedirect() {} | |
| 230 | |
| 231 virtual void responseReceived(const ResourceResponse&, | |
| 232 std::unique_ptr<WebDataConsumerHandle>); | |
| 233 void setResponse(const ResourceResponse&); | |
| 234 const ResourceResponse& response() const { return m_response; } | |
| 235 | |
| 236 virtual void reportResourceTimingToClients(const ResourceTimingInfo&) {} | |
| 237 | |
| 238 // Sets the serialized metadata retrieved from the platform's cache. | |
| 239 virtual void setSerializedCachedMetadata(const char*, size_t); | |
| 240 | |
| 241 // This may return nullptr when the resource isn't cacheable. | |
| 242 CachedMetadataHandler* cacheHandler(); | |
| 243 | |
| 244 AtomicString httpContentType() const; | |
| 245 | |
| 246 bool wasCanceled() const { return m_error.isCancellation(); } | |
| 247 bool errorOccurred() const { | |
| 248 return m_status == LoadError || m_status == DecodeError; | |
| 249 } | |
| 250 bool loadFailedOrCanceled() const { return !m_error.isNull(); } | |
| 251 | |
| 252 DataBufferingPolicy getDataBufferingPolicy() const { | |
| 253 return m_options.dataBufferingPolicy; | |
| 254 } | |
| 255 void setDataBufferingPolicy(DataBufferingPolicy); | |
| 256 | |
| 257 // The isPreloaded() flag is using a counter in order to make sure that even | |
| 258 // when multiple ResourceFetchers are preloading the resource, it will remain | |
| 259 // marked as preloaded until *all* of them have used it. | |
| 260 bool isUnusedPreload() const { | |
| 261 return isPreloaded() && getPreloadResult() == PreloadNotReferenced; | |
| 262 } | |
| 263 bool isPreloaded() const { return m_preloadCount; } | |
| 264 void increasePreloadCount() { ++m_preloadCount; } | |
| 265 void decreasePreloadCount() { | |
| 266 DCHECK(m_preloadCount); | |
| 267 --m_preloadCount; | |
| 268 } | |
| 269 | |
| 270 bool canReuseRedirectChain(); | |
| 271 bool mustRevalidateDueToCacheHeaders(); | |
| 272 bool canUseCacheValidator(); | |
| 273 bool isCacheValidator() const { return m_isRevalidating; } | |
| 274 bool hasCacheControlNoStoreHeader() const; | |
| 275 bool hasVaryHeader() const; | |
| 276 | |
| 277 bool isEligibleForIntegrityCheck(SecurityOrigin*) const; | |
| 278 | |
| 279 void setIntegrityMetadata(const IntegrityMetadataSet& metadata) { | |
| 280 m_integrityMetadata = metadata; | |
| 281 } | |
| 282 const IntegrityMetadataSet& integrityMetadata() const { | |
| 283 return m_integrityMetadata; | |
| 284 } | |
| 285 // The argument must never be |NotChecked|. | |
| 286 void setIntegrityDisposition(ResourceIntegrityDisposition); | |
| 287 ResourceIntegrityDisposition integrityDisposition() const { | |
| 288 return m_integrityDisposition; | |
| 289 } | |
| 290 bool mustRefetchDueToIntegrityMetadata(const FetchRequest&) const; | |
| 291 | |
| 292 double currentAge() const; | |
| 293 double freshnessLifetime(); | |
| 294 double stalenessLifetime(); | |
| 295 | |
| 296 bool isAlive() const { return m_isAlive; } | |
| 297 | |
| 298 void setCacheIdentifier(const String& cacheIdentifier) { | |
| 299 m_cacheIdentifier = cacheIdentifier; | |
| 300 } | |
| 301 String cacheIdentifier() const { return m_cacheIdentifier; } | |
| 302 | |
| 303 virtual void didSendData(unsigned long long /* bytesSent */, | |
| 304 unsigned long long /* totalBytesToBeSent */) {} | |
| 305 virtual void didDownloadData(int) {} | |
| 306 | |
| 307 double loadFinishTime() const { return m_loadFinishTime; } | |
| 308 | |
| 309 void setEncodedDataLength(int64_t value) { | |
| 310 m_response.setEncodedDataLength(value); | |
| 311 } | |
| 312 void addToEncodedBodyLength(int value) { | |
| 313 m_response.addToEncodedBodyLength(value); | |
| 314 } | |
| 315 void addToDecodedBodyLength(int value) { | |
| 316 m_response.addToDecodedBodyLength(value); | |
| 317 } | |
| 318 | |
| 319 virtual bool canReuse(const ResourceRequest&) const { return true; } | |
| 320 | |
| 321 // If cache-aware loading is activated, this callback is called when the first | |
| 322 // disk-cache-only request failed due to cache miss. After this callback, | |
| 323 // cache-aware loading is deactivated and a reload with original request will | |
| 324 // be triggered right away in ResourceLoader. | |
| 325 virtual void willReloadAfterDiskCacheMiss() {} | |
| 326 | |
| 327 // TODO(shaochuan): This is for saving back the actual ResourceRequest sent | |
| 328 // in ResourceFetcher::startLoad() for retry in cache-aware loading, remove | |
| 329 // once ResourceRequest is not modified in startLoad(). crbug.com/632580 | |
| 330 void setResourceRequest(const ResourceRequest& resourceRequest) { | |
| 331 m_resourceRequest = resourceRequest; | |
| 332 } | |
| 333 | |
| 334 // Used by the MemoryCache to reduce the memory consumption of the entry. | |
| 335 void prune(); | |
| 336 | |
| 337 virtual void onMemoryDump(WebMemoryDumpLevelOfDetail, | |
| 338 WebProcessMemoryDump*) const; | |
| 339 | |
| 340 // If this Resource is ImageResource and has the Lo-Fi response headers or is | |
| 341 // a placeholder, reload the full original image with the Lo-Fi state set to | |
| 342 // off and optionally bypassing the cache. | |
| 343 virtual void reloadIfLoFiOrPlaceholderImage(ResourceFetcher*, | |
| 344 ReloadLoFiOrPlaceholderPolicy) {} | |
| 345 | |
| 346 static const char* resourceTypeToString( | |
| 347 Type, | |
| 348 const AtomicString& fetchInitiatorName); | |
| 349 | |
| 350 protected: | |
| 351 Resource(const ResourceRequest&, Type, const ResourceLoaderOptions&); | |
| 352 | |
| 353 virtual void checkNotify(); | |
| 354 | |
| 355 void markClientFinished(ResourceClient*); | |
| 356 | |
| 357 virtual bool hasClientsOrObservers() const { | |
| 358 return !m_clients.isEmpty() || !m_clientsAwaitingCallback.isEmpty() || | |
| 359 !m_finishedClients.isEmpty(); | |
| 360 } | |
| 361 virtual void destroyDecodedDataForFailedRevalidation() {} | |
| 362 | |
| 363 void setEncodedSize(size_t); | |
| 364 void setDecodedSize(size_t); | |
| 365 | |
| 366 void finishPendingClients(); | |
| 367 | |
| 368 virtual void didAddClient(ResourceClient*); | |
| 369 void willAddClientOrObserver(PreloadReferencePolicy); | |
| 370 | |
| 371 void didRemoveClientOrObserver(); | |
| 372 virtual void allClientsAndObserversRemoved(); | |
| 373 | |
| 374 bool hasClient(ResourceClient* client) { | |
| 375 return m_clients.contains(client) || | |
| 376 m_clientsAwaitingCallback.contains(client) || | |
| 377 m_finishedClients.contains(client); | |
| 378 } | |
| 379 | |
| 380 struct RedirectPair { | |
| 381 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); | |
| 382 | |
| 383 public: | |
| 384 explicit RedirectPair(const ResourceRequest& request, | |
| 385 const ResourceResponse& redirectResponse) | |
| 386 : m_request(request), m_redirectResponse(redirectResponse) {} | |
| 387 | |
| 388 ResourceRequest m_request; | |
| 389 ResourceResponse m_redirectResponse; | |
| 390 }; | |
| 391 const Vector<RedirectPair>& redirectChain() const { return m_redirectChain; } | |
| 392 | |
| 393 virtual void destroyDecodedDataIfPossible() {} | |
| 394 | |
| 395 // Returns the memory dump name used for tracing. See Resource::onMemoryDump. | |
| 396 String getMemoryDumpName() const; | |
| 397 | |
| 398 const HeapHashCountedSet<WeakMember<ResourceClient>>& clients() const { | |
| 399 return m_clients; | |
| 400 } | |
| 401 | |
| 402 void setCachePolicyBypassingCache(); | |
| 403 void setLoFiStateOff(); | |
| 404 void clearRangeRequestHeader(); | |
| 405 | |
| 406 SharedBuffer* data() const { return m_data.get(); } | |
| 407 void clearData(); | |
| 408 | |
| 409 class ProhibitAddRemoveClientInScope : public AutoReset<bool> { | |
| 410 public: | |
| 411 ProhibitAddRemoveClientInScope(Resource* resource) | |
| 412 : AutoReset(&resource->m_isAddRemoveClientProhibited, true) {} | |
| 413 }; | |
| 414 | |
| 415 class RevalidationStartForbiddenScope : public AutoReset<bool> { | |
| 416 public: | |
| 417 RevalidationStartForbiddenScope(Resource* resource) | |
| 418 : AutoReset(&resource->m_isRevalidationStartForbidden, true) {} | |
| 419 }; | |
| 420 | |
| 421 private: | |
| 422 class ResourceCallback; | |
| 423 class CachedMetadataHandlerImpl; | |
| 424 class ServiceWorkerResponseCachedMetadataHandler; | |
| 425 | |
| 426 void cancelTimerFired(TimerBase*); | |
| 427 | |
| 428 void revalidationSucceeded(const ResourceResponse&); | |
| 429 void revalidationFailed(); | |
| 430 | |
| 431 size_t calculateOverheadSize() const; | |
| 432 | |
| 433 String reasonNotDeletable() const; | |
| 434 | |
| 435 // MemoryCoordinatorClient overrides: | |
| 436 void onMemoryStateChange(MemoryState) override; | |
| 437 | |
| 438 Member<CachedMetadataHandlerImpl> m_cacheHandler; | |
| 439 RefPtr<SecurityOrigin> m_fetcherSecurityOrigin; | |
| 440 | |
| 441 ResourceError m_error; | |
| 442 | |
| 443 double m_loadFinishTime; | |
| 444 | |
| 445 unsigned long m_identifier; | |
| 446 | |
| 447 size_t m_encodedSize; | |
| 448 size_t m_encodedSizeMemoryUsage; | |
| 449 size_t m_decodedSize; | |
| 450 | |
| 451 // Resource::calculateOverheadSize() is affected by changes in | |
| 452 // |m_resourceRequest.url()|, but |m_overheadSize| is not updated after | |
| 453 // initial |m_resourceRequest| is given, to reduce MemoryCache manipulation | |
| 454 // and thus potential bugs. crbug.com/594644 | |
| 455 const size_t m_overheadSize; | |
| 456 | |
| 457 unsigned m_preloadCount; | |
| 458 | |
| 459 double m_preloadDiscoveryTime; | |
| 460 | |
| 461 String m_cacheIdentifier; | |
| 462 | |
| 463 PreloadResult m_preloadResult; | |
| 464 Type m_type; | |
| 465 Status m_status; | |
| 466 | |
| 467 bool m_needsSynchronousCacheHit; | |
| 468 bool m_linkPreload; | |
| 469 bool m_isRevalidating; | |
| 470 bool m_isAlive; | |
| 471 bool m_isAddRemoveClientProhibited; | |
| 472 bool m_isRevalidationStartForbidden = false; | |
| 473 | |
| 474 ResourceIntegrityDisposition m_integrityDisposition; | |
| 475 IntegrityMetadataSet m_integrityMetadata; | |
| 476 | |
| 477 // Ordered list of all redirects followed while fetching this resource. | |
| 478 Vector<RedirectPair> m_redirectChain; | |
| 479 | |
| 480 HeapHashCountedSet<WeakMember<ResourceClient>> m_clients; | |
| 481 HeapHashCountedSet<WeakMember<ResourceClient>> m_clientsAwaitingCallback; | |
| 482 HeapHashCountedSet<WeakMember<ResourceClient>> m_finishedClients; | |
| 483 | |
| 484 ResourceLoaderOptions m_options; | |
| 485 | |
| 486 double m_responseTimestamp; | |
| 487 | |
| 488 TaskRunnerTimer<Resource> m_cancelTimer; | |
| 489 | |
| 490 ResourceRequest m_resourceRequest; | |
| 491 Member<ResourceLoader> m_loader; | |
| 492 ResourceResponse m_response; | |
| 493 | |
| 494 RefPtr<SharedBuffer> m_data; | |
| 495 }; | |
| 496 | |
| 497 class ResourceFactory { | |
| 498 STACK_ALLOCATED(); | |
| 499 | |
| 500 public: | |
| 501 virtual Resource* create(const ResourceRequest&, | |
| 502 const ResourceLoaderOptions&, | |
| 503 const String&) const = 0; | |
| 504 Resource::Type type() const { return m_type; } | |
| 505 | |
| 506 protected: | |
| 507 explicit ResourceFactory(Resource::Type type) : m_type(type) {} | |
| 508 | |
| 509 Resource::Type m_type; | |
| 510 }; | |
| 511 | |
| 512 #define DEFINE_RESOURCE_TYPE_CASTS(typeName) \ | |
| 513 DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource, \ | |
| 514 resource->getType() == Resource::typeName, \ | |
| 515 resource.getType() == Resource::typeName); | |
| 516 | |
| 517 } // namespace blink | |
| 518 | |
| 519 #endif | |
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Chromium Code Reviews
Issue 2584423002:
Loading: move core/fetch to platform/loader/fetch (Closed)
