Do not discard selected tab

chrome/browser/chromeos/oom_priority_manager.cc

Index: chrome/browser/chromeos/oom_priority_manager.cc
diff --git a/chrome/browser/chromeos/oom_priority_manager.cc b/chrome/browser/chromeos/oom_priority_manager.cc
index b41a512bd984b0574c1d097c6e424c81c368ffc4..7ff877d33a0af362d57d7ea8e19352cfe3db01c4 100644
--- a/chrome/browser/chromeos/oom_priority_manager.cc
+++ b/chrome/browser/chromeos/oom_priority_manager.cc
@@ -230,8 +230,8 @@ bool OomPriorityManager::DiscardTabById(int64 target_web_contents_id) {
     Browser* browser = *browser_iterator;
     TabStripModel* model = browser->tab_strip_model();
     for (int idx = 0; idx < model->count(); idx++) {
-      // Can't discard tabs that are already discarded.
-      if (model->IsTabDiscarded(idx))
+      // Can't discard tabs that are already discarded or active.
+      if (model->IsTabDiscarded(idx) || (model->active_index() == idx))
         continue;
       WebContents* web_contents = model->GetTabContentsAt(idx)->web_contents();
       int64 web_contents_id = IdFromTabContents(web_contents);