Bug 1192128 - In DOM memory reporter, handle WindowID() being a uint64_t. r=mccr8.

--HG--
extra : rebase_source : 0166b09f8800c8ee2509643573e8f85f01d0b3c0

dom/base/nsWindowMemoryReporter.cpp

@@ -169,7 +169,7 @@ AppendWindowURI(nsGlobalWindow *aWindow, nsACString& aStr, bool aAnonymize)
 
   if (uri) {
     if (aAnonymize && !aWindow->IsChromeWindow()) {
-      aStr.AppendPrintf("<anonymized-%d>", aWindow->WindowID());
+      aStr.AppendPrintf("<anonymized-%llu>", aWindow->WindowID());
     } else {
       nsCString spec;
       uri->GetSpec(spec);
@@ -278,9 +278,7 @@ CollectWindowReports(nsGlobalWindow *aWindow,
   if (top) {
     windowPath += NS_LITERAL_CSTRING("top(");
     AppendWindowURI(top, windowPath, aAnonymize);
-    windowPath += NS_LITERAL_CSTRING(", id=");
-    windowPath.AppendInt(top->WindowID());
-    windowPath += NS_LITERAL_CSTRING(")");
+    windowPath.AppendPrintf(", id=%llu)", top->WindowID());
 
     aTopWindowPaths->Put(aWindow->WindowID(), windowPath);