[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 02b238927bb2a71c675b2c57e7b01f890ca571a3..6389ed279d1882557ee1fde028b9eb21e33dd30f 100644
--- a/third_party/WebKit/Source/core/fetch/Resource.h
+++ b/third_party/WebKit/Source/core/fetch/Resource.h
@@ -295,6 +295,20 @@ 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();