Revert of Cache SubResourceIntegrity checks at Resource

third_party/WebKit/Source/core/fetch/Resource.cpp

Index: third_party/WebKit/Source/core/fetch/Resource.cpp
diff --git a/third_party/WebKit/Source/core/fetch/Resource.cpp b/third_party/WebKit/Source/core/fetch/Resource.cpp
index 0c60d7c82f4ffdaa481ae0164d14fa3c76c96475..1647d362c10f7a3787b83946b6dbdfb9d2cb23a5 100644
--- a/third_party/WebKit/Source/core/fetch/Resource.cpp
+++ b/third_party/WebKit/Source/core/fetch/Resource.cpp
@@ -27,8 +27,6 @@
 #include "core/fetch/CachedMetadata.h"
 #include "core/fetch/CrossOriginAccessControl.h"
 #include "core/fetch/FetchInitiatorTypeNames.h"
-#include "core/fetch/FetchRequest.h"
-#include "core/fetch/IntegrityMetadata.h"
 #include "core/fetch/MemoryCache.h"
 #include "core/fetch/ResourceClient.h"
 #include "core/fetch/ResourceClientWalker.h"
@@ -315,7 +313,6 @@
       m_linkPreload(false),
       m_isRevalidating(false),
       m_isAlive(false),
-      m_integrityDisposition(ResourceIntegrityDisposition::NotChecked),
       m_options(options),
       m_responseTimestamp(currentTime()),
       m_cancelTimer(this, &Resource::cancelTimerFired),
@@ -449,22 +446,6 @@
   String ignoredErrorDescription;
   return securityOrigin->canRequest(resourceRequest().url()) ||
          passesAccessControlCheck(securityOrigin, ignoredErrorDescription);
-}
-
-void Resource::setIntegrityDisposition(
-    ResourceIntegrityDisposition disposition) {
-  DCHECK_NE(disposition, ResourceIntegrityDisposition::NotChecked);
-  DCHECK(m_type == Resource::Script);
-  m_integrityDisposition = disposition;
-}
-
-bool Resource::mustRefetchDueToIntegrityMetadata(
-    const FetchRequest& request) const {
-  if (request.integrityMetadata().isEmpty())
-    return false;
-
-  return !IntegrityMetadata::setsEqual(m_integrityMetadata,
-                                       request.integrityMetadata());
 }
 
 static double currentAge(const ResourceResponse& response,