[WIP] WebFonts cache-aware timeout adaption

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 b4b2926a0229b015ec2e02b39c4b3b5b3ab099b3..cfe60b7129a829737de5e2a66f96d05a8210664b 100644
--- a/third_party/WebKit/Source/core/fetch/Resource.h
+++ b/third_party/WebKit/Source/core/fetch/Resource.h
@@ -310,6 +310,20 @@ class CORE_EXPORT Resource : public GarbageCollectedFinalized<Resource>,
 
   virtual bool canReuse(const ResourceRequest&) const { return true; }
 
+  // If cache-aware loading is activated, this callback is called when the first
+  // disk-cache-only request failed due to cache miss.
+  virtual void willReloadAfterDiskCacheMiss() {}
+
+  void deactivateCacheAwareLoading() {
+    m_resourceRequest.deactivateCacheAwareLoading();
+  }
+
+  // TODO(shaochuan): Workaround to persist cache-aware state, remove after
+  // fixed. crbug.com/632580
+  void setResourceRequest(const ResourceRequest& resourceRequest) {
+    m_resourceRequest = resourceRequest;
+  }
+
   // Used by the MemoryCache to reduce the memory consumption of the entry.
   void prune();