Include tab IDs when reporting data use accounting.

chrome/browser/net/chrome_network_delegate.h

Index: chrome/browser/net/chrome_network_delegate.h
diff --git a/chrome/browser/net/chrome_network_delegate.h b/chrome/browser/net/chrome_network_delegate.h
index 2d864670566a5a374ad6eae623935b15294950c0..9fc28a2186dcbfb3899442a8bdd6462db60c4deb 100644
--- a/chrome/browser/net/chrome_network_delegate.h
+++ b/chrome/browser/net/chrome_network_delegate.h
@@ -189,6 +189,12 @@ class ChromeNetworkDelegate : public net::NetworkDelegateImpl {
       const GURL& target_url,
       const GURL& referrer_url) const override;
 
+  // Convenience function for reporting network usage to the
+  // |data_use_aggregator_|.
+  void ReportDataUsageStats(const net::URLRequest& request,
+                            int64_t tx_bytes,
+                            int64_t rx_bytes);
+
   scoped_ptr<ChromeExtensionsNetworkDelegate> extensions_delegate_;
 
   void* profile_;