Fix X11DesktopHandler::ActivateWindow on Unity for known user gestures

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index c1556d9e1bb6c69324779bc9d7c71a1975e8835d..983e1ac3edac6d53287551c66a2127751f08b033 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -1451,6 +1451,12 @@ void Browser::ActivateContents(WebContents* contents) {
   window_->Activate();
 }
 
+void Browser::ActivateContentsForUserGesture(WebContents* contents) {
+  tab_strip_model_->ActivateTabAt(
+      tab_strip_model_->GetIndexOfWebContents(contents), false);
+  window_->ActivateForUserGesture();
+}
+
 void Browser::DeactivateContents(WebContents* contents) {
   window_->Deactivate();
 }