Bug 881804 (part 5) - Plumb image loader into predictive network actions. r=seth

image/src/imgLoader.cpp

@@ -28,6 +28,7 @@
 #include "nsIFileURL.h"
 #include "nsCRT.h"
 #include "nsIDocument.h"
+#include "nsINetworkSeer.h"
 
 #include "nsIApplicationCache.h"
 #include "nsIApplicationCacheContainer.h"
@@ -1243,6 +1244,9 @@ bool imgLoader::ValidateRequestWithNewChannel(imgRequest *request,
     // Add the proxy without notifying
     hvc->AddProxy(proxy);
 
+    mozilla::net::SeerLearn(aURI, aInitialDocumentURI,
+        nsINetworkSeer::LEARN_LOAD_SUBRESOURCE, aLoadGroup);
+
     rv = newChannel->AsyncOpen(listener, nullptr);
     if (NS_SUCCEEDED(rv))
       NS_ADDREF(*aProxyRequest = req.get());
@@ -1719,6 +1723,9 @@ nsresult imgLoader::LoadImage(nsIURI *aURI,
     PR_LOG(GetImgLog(), PR_LOG_DEBUG,
            ("[this=%p] imgLoader::LoadImage -- Calling channel->AsyncOpen()\n", this));
 
+    mozilla::net::SeerLearn(aURI, aInitialDocumentURI,
+        nsINetworkSeer::LEARN_LOAD_SUBRESOURCE, aLoadGroup);
+
     nsresult openRes = newChannel->AsyncOpen(listener, nullptr);
 
     if (NS_FAILED(openRes)) {