1 files changed, 13 insertions, 6 deletions

diff --git a/WebKit/chromium/public/WebURLLoaderClient.h b/WebKit/chromium/public/WebURLLoaderClient.h
index 03b2c54..87d100f 100644
--- a/WebKit/chromium/public/WebURLLoaderClient.h
+++ b/WebKit/chromium/public/WebURLLoaderClient.h
@@ -43,24 +43,31 @@ public:
     // Called when following a redirect.  |newRequest| contains the request
     // generated by the redirect.  The client may modify |newRequest|.
     virtual void willSendRequest(
-        WebURLLoader*, WebURLRequest& newRequest, const WebURLResponse& redirectResponse) = 0;
+        WebURLLoader*, WebURLRequest& newRequest, const WebURLResponse& redirectResponse) { }
 
     // Called to report upload progress.  The bytes reported correspond to
     // the HTTP message body.
     virtual void didSendData(
-        WebURLLoader*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent) = 0;
+        WebURLLoader*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent) { }
 
     // Called when response headers are received.
-    virtual void didReceiveResponse(WebURLLoader*, const WebURLResponse&) = 0;
+    virtual void didReceiveResponse(WebURLLoader*, const WebURLResponse&) { }
+
+    // Called when a chunk of response data is downloaded.  This is only called
+    // if WebURLRequest's downloadToFile flag was set to true.
+    virtual void didDownloadData(WebURLLoader*, int dataLength) { }
 
     // Called when a chunk of response data is received.
-    virtual void didReceiveData(WebURLLoader*, const char* data, int dataLength) = 0;
+    virtual void didReceiveData(WebURLLoader*, const char* data, int dataLength) { }
+
+    // Called when a chunk of renderer-generated metadata is received from the cache.
+    virtual void didReceiveCachedMetadata(WebURLLoader*, const char* data, int dataLength) { }
 
     // Called when the load completes successfully.
-    virtual void didFinishLoading(WebURLLoader*) = 0;
+    virtual void didFinishLoading(WebURLLoader*, double finishTime) { }
 
     // Called when the load completes with an error.
-    virtual void didFail(WebURLLoader*, const WebURLError&) = 0;
+    virtual void didFail(WebURLLoader*, const WebURLError&) { }
 
 protected:
     ~WebURLLoaderClient() { }