Cache-aware Resource loading

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

Index: third_party/WebKit/Source/core/fetch/ResourceLoader.h
diff --git a/third_party/WebKit/Source/core/fetch/ResourceLoader.h b/third_party/WebKit/Source/core/fetch/ResourceLoader.h
index 728f0151c7e5f2e9ef1caeb082a1bb89916d4fe5..2caefa9afd80b4cd24c0842a992df5b794fd6b72 100644
--- a/third_party/WebKit/Source/core/fetch/ResourceLoader.h
+++ b/third_party/WebKit/Source/core/fetch/ResourceLoader.h
@@ -55,8 +55,9 @@ class CORE_EXPORT ResourceLoader final
              WebTaskRunner* loadingTaskRunner,
              bool defersLoading);
 
-  // This method is currently only used for service worker fallback request,
-  // other users should be careful not to break ResourceLoader state.
+  // This method is currently only used for service worker fallback request and
+  // cache-aware loading, other users should be careful not to break
+  // ResourceLoader state.
   void restart(const ResourceRequest&,
                WebTaskRunner* loadingTaskRunner,
                bool defersLoading);
@@ -67,6 +68,14 @@ class CORE_EXPORT ResourceLoader final
 
   void didChangePriority(ResourceLoadPriority, int intraPriorityValue);
 
+  // Called before start() to activate cache-aware loading if enabled in
+  // |m_resource->options()| and applicable.
+  void activateCacheAwareLoadingIfNeeded(const ResourceRequest&);

[Shao-Chuan Lee, 2016/11/02 03:41:11]

yhirano@: I'm adding "IfNeeded" suffix otherwise it would be confusing when
called in ResourceFetcher, WDYT?

+
+  bool isCacheAwareLoadingActivated() const {
+    return m_isCacheAwareLoadingActivated;
+  }
+
   // WebURLLoaderClient
   //
   // A succesful load will consist of:
@@ -116,6 +125,7 @@ class CORE_EXPORT ResourceLoader final
   std::unique_ptr<WebURLLoader> m_loader;
   Member<ResourceFetcher> m_fetcher;
   Member<Resource> m_resource;
+  bool m_isCacheAwareLoadingActivated;
 };
 
 }  // namespace blink