Cache-aware Resource loading

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 bc272329c9858b715bd6e4862e63a727392ee523..523db9b052940cf60b644188b3d2dd7dd63181a6 100644
--- a/third_party/WebKit/Source/core/fetch/Resource.h
+++ b/third_party/WebKit/Source/core/fetch/Resource.h
@@ -310,6 +310,17 @@ 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() {}
+
+  // TODO(shaochuan): This is for saving back the actual ResourceRequest sent
+  // in ResourceFetcher::startLoad() for retry in cache-aware loading, remove
+  // once ResourceRequest is not modified in startLoad(). 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();