[Resource Timing] Expose redirect timing information

Source/core/loader/cache/CachedResourceLoader.h

Index: Source/core/loader/cache/CachedResourceLoader.h
diff --git a/Source/core/loader/cache/CachedResourceLoader.h b/Source/core/loader/cache/CachedResourceLoader.h
index 29f2d75daeb97afe96e315798e7d6da120a6ed7e..3d2196dd0c27257927e0ec9273648f35329de070 100644
--- a/Source/core/loader/cache/CachedResourceLoader.h
+++ b/Source/core/loader/cache/CachedResourceLoader.h
@@ -54,6 +54,7 @@ class DocumentLoader;
 class Frame;
 class ImageLoader;
 class KURL;
+class ResourceTimingInfo;
 
 // The CachedResourceLoader provides a per-context interface to the MemoryCache
 // and enforces a bunch of security checks and rules for resource revalidation.
@@ -114,6 +115,7 @@ public:
     void removeCachedResource(CachedResource*) const;
     void loadDone(CachedResource*);
     void garbageCollectDocumentResources();
+    void redirectReceived(CachedResource*, const ResourceResponse&);
     
     void incrementRequestCount(const CachedResource*);
     void decrementRequestCount(const CachedResource*);
@@ -169,11 +171,7 @@ private:
 
     Timer<CachedResourceLoader> m_garbageCollectDocumentResourcesTimer;
 
-    struct InitiatorInfo {
-        AtomicString name;
-        double startTime;
-    };
-    HashMap<CachedResource*, InitiatorInfo> m_initiatorMap;
+    HashMap<CachedResource*, ResourceTimingInfo> m_resourceTimingInfoMap;
 
     // 29 bits left
     bool m_autoLoadImages : 1;