Cache SubResourceIntegrity checks at Resource

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

Index: third_party/WebKit/Source/core/fetch/ScriptResource.cpp
diff --git a/third_party/WebKit/Source/core/fetch/ScriptResource.cpp b/third_party/WebKit/Source/core/fetch/ScriptResource.cpp
index fe1e603487b02eb835e852f8b812a0337c7e98cb..47fbbf9062239523b28255f0ef19787b144b4add 100644
--- a/third_party/WebKit/Source/core/fetch/ScriptResource.cpp
+++ b/third_party/WebKit/Source/core/fetch/ScriptResource.cpp
@@ -57,8 +57,7 @@ ScriptResource::ScriptResource(const ResourceRequest& resourceRequest,
                    Script,
                    options,
                    "application/javascript",
-                   charset),
-      m_integrityDisposition(ScriptIntegrityDisposition::NotChecked) {}
+                   charset) {}
 
 ScriptResource::~ScriptResource() {}
 
@@ -112,18 +111,4 @@ bool ScriptResource::mimeTypeAllowedByNosniff() const {
          MIMETypeRegistry::isSupportedJavaScriptMIMEType(httpContentType());
 }
 
-void ScriptResource::setIntegrityDisposition(
-    ScriptIntegrityDisposition disposition) {
-  DCHECK_NE(disposition, ScriptIntegrityDisposition::NotChecked);
-  m_integrityDisposition = disposition;
-}
-bool ScriptResource::mustRefetchDueToIntegrityMetadata(
-    const FetchRequest& request) const {
-  if (request.integrityMetadata().isEmpty())
-    return false;
-
-  return !IntegrityMetadata::setsEqual(m_integrityMetadata,
-                                       request.integrityMetadata());
-}
-
 }  // namespace blink