Bug 1313403 - text (focus) goes to the wrong browser after foreground tab change, r=mak

MozReview-Commit-ID: BxqYL1p494h

browser/base/content/utilityOverlay.js

@@ -348,6 +348,7 @@ function openLinkIn(url, where, params) {
   // result in a new frontmost window (e.g. "javascript:window.open('');").
   w.focus();
 
+  let browserUsedForLoad = null;
   switch (where) {
   case "current":
     let flags = Ci.nsIWebNavigation.LOAD_FLAGS_NONE;
@@ -383,12 +384,13 @@ function openLinkIn(url, where, params) {
       postData: aPostData,
       userContextId: aUserContextId
     });
+    browserUsedForLoad = aCurrentBrowser;
     break;
   case "tabshifted":
     loadInBackground = !loadInBackground;
     // fall through
   case "tab":
-    w.gBrowser.loadOneTab(url, {
+    let tabUsedForLoad = w.gBrowser.loadOneTab(url, {
       referrerURI: aReferrerURI,
       referrerPolicy: aReferrerPolicy,
       charset: aCharset,
@@ -402,10 +404,15 @@ function openLinkIn(url, where, params) {
       userContextId: aUserContextId,
       originPrincipal: aPrincipal,
     });
+    browserUsedForLoad = tabUsedForLoad.linkedBrowser;
     break;
   }
 
-  aCurrentBrowser.focus();
+  // Focus the content, but only if the browser used for the load is selected.
+  if (browserUsedForLoad &&
+      browserUsedForLoad == browserUsedForLoad.ownerGlobal.gBrowser.selectedBrowser) {
+    browserUsedForLoad.focus();
+  }
 
   if (!loadInBackground && w.isBlankPageURL(url)) {
     w.focusAndSelectUrlBar();