when determining progress for a cache entry, use the content length

for the cache entry as the total max progress. This change gives us more accurate progress for loading
entries from the cache for http.

netwerk/protocol/http/src/nsHTTPResponseListener.cpp

@@ -136,7 +136,11 @@ nsHTTPCacheListener::OnStartRequest(nsIChannel *aChannel,
                                     nsISupports *aContext)
 {
     PR_LOG (gHTTPLog, PR_LOG_DEBUG, ("nsHTTPCacheListener::OnStartRequest [this=%x]\n", this));
-
+    mBodyBytesReceived = 0;
+    
+    // get and store the content length which will be used in ODA for computing
+    // progress information. 
+    aChannel->GetContentLength(&mContentLength);
     return mResponseDataListener->OnStartRequest(mChannel, aContext);
 }
 
@@ -183,13 +187,16 @@ nsHTTPCacheListener::OnDataAvailable(nsIChannel *aChannel,
                                                 aCount);
     if (NS_FAILED(rv)) return rv;
 
+
+    mBodyBytesReceived += aCount;
+
     // Report progress
     if (mChannel->mProgressEventSink) {
         rv = mChannel->mProgressEventSink->OnProgress(mChannel,
                        mChannel->mResponseContext,
-                       aSourceOffset, aCount);
-        if (NS_FAILED(rv)) return rv;
+                       mBodyBytesReceived, mContentLength);
     }
+
     return rv;
 }
 

netwerk/protocol/http/src/nsHTTPResponseListener.h

@@ -147,6 +147,9 @@ public:
   virtual nsresult FireSingleOnData(nsIStreamListener *aListener, 
                                     nsISupports *aContext);
   virtual nsresult Abort();
+protected:
+  PRInt32                     mBodyBytesReceived;
+  PRInt32                     mContentLength;
 };
 
 /*