Reland [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 5ff24d91ba8f89b15d6bcab4e86d2a1b71ce0d9a..ff141967e9f303857803197ccd21e477e6985946 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.
@@ -112,6 +113,7 @@ public:
 
     void loadDone(CachedResource*);
     void garbageCollectDocumentResources();
+    void redirectReceived(CachedResource*, const ResourceResponse&);
     
     void incrementRequestCount(const CachedResource*);
     void decrementRequestCount(const CachedResource*);
@@ -172,7 +174,8 @@ private:
 
     Timer<CachedResourceLoader> m_garbageCollectDocumentResourcesTimer;
 
-    HashMap<CachedResource*, CachedResourceInitiatorInfo> m_initiatorMap;
+    typedef HashMap<CachedResource*, RefPtr<ResourceTimingInfo> > ResourceTimingInfoMap;
+    ResourceTimingInfoMap m_resourceTimingInfoMap;
 
     // 29 bits left
     bool m_autoLoadImages : 1;