Fix history page middle click action

chrome/browser/resources/synthetic_middleclick.js

Index: chrome/browser/resources/synthetic_middleclick.js
diff --git a/chrome/browser/resources/ntp4/synthetic_middleclick.js b/chrome/browser/resources/synthetic_middleclick.js
similarity index 84%
rename from chrome/browser/resources/ntp4/synthetic_middleclick.js
rename to chrome/browser/resources/synthetic_middleclick.js
index 8c90c98a7f5abab97c059ede25c5e2a1345170b4..03b982e47a6bba36a526b67badbb6db7b0f5b5c2 100644
--- a/chrome/browser/resources/ntp4/synthetic_middleclick.js
+++ b/chrome/browser/resources/synthetic_middleclick.js
@@ -21,4 +21,9 @@ document.addEventListener('mouseup', function(e) {
   middleButtonMouseDownTarget = null;
 }, true);
 
+window.addEventListener('click', function(e) {
+  if (e.button == 1 && !e.isTrusted)
+    e.preventDefault();
+});
+
 })();