Cache SubResourceIntegrity checks at Resource

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

Index: third_party/WebKit/Source/core/fetch/Resource.h
diff --git a/third_party/WebKit/Source/core/fetch/Resource.h b/third_party/WebKit/Source/core/fetch/Resource.h
index acc142bf961cf53bc93bc6af0fce71e08f48a2fb..43cbdde622aeb1fd32cfa7898cead163384e18ac 100644
--- a/third_party/WebKit/Source/core/fetch/Resource.h
+++ b/third_party/WebKit/Source/core/fetch/Resource.h
@@ -194,8 +194,6 @@ class CORE_EXPORT Resource : public GarbageCollectedFinalized<Resource>,
   bool passesAccessControlCheck(SecurityOrigin*,
                                 String& errorDescription) const;
 
-  bool isEligibleForIntegrityCheck(SecurityOrigin*) const;
-
   virtual PassRefPtr<const SharedBuffer> resourceBuffer() const {
     return m_data;
   }
@@ -253,10 +251,21 @@ class CORE_EXPORT Resource : public GarbageCollectedFinalized<Resource>,
   bool isCacheValidator() const { return m_isRevalidating; }
   bool hasCacheControlNoStoreHeader() const;
   bool hasVaryHeader() const;
-  virtual bool mustRefetchDueToIntegrityMetadata(
-      const FetchRequest& request) const {
-    return false;
+
+  bool isEligibleForIntegrityCheck(SecurityOrigin*) const;
+
+  void setIntegrityMetadata(const IntegrityMetadataSet& metadata) {
+    m_integrityMetadata = metadata;
+  }
+  const IntegrityMetadataSet& integrityMetadata() const {
+    return m_integrityMetadata;
   }
+  // The argument must never be |NotChecked|.
+  void setIntegrityDisposition(ResourceIntegrityDisposition);
+  ResourceIntegrityDisposition integrityDisposition() const {
+    return m_integrityDisposition;
+  }
+  bool mustRefetchDueToIntegrityMetadata(const FetchRequest&) const;
 
   double currentAge() const;
   double freshnessLifetime();
@@ -407,6 +416,9 @@ class CORE_EXPORT Resource : public GarbageCollectedFinalized<Resource>,
   bool m_isRevalidating : 1;
   bool m_isAlive : 1;
 
+  ResourceIntegrityDisposition m_integrityDisposition;
+  IntegrityMetadataSet m_integrityMetadata;
+
   // Ordered list of all redirects followed while fetching this resource.
   Vector<RedirectPair> m_redirectChain;