Attempt 2 at:

chrome/browser/views/tabs/tab_strip.cc

Index: chrome/browser/views/tabs/tab_strip.cc
diff --git a/chrome/browser/views/tabs/tab_strip.cc b/chrome/browser/views/tabs/tab_strip.cc
index 77fb8ebc9498273c3ebaa55e6b2bf4f7b1e3a762..a1631fd32e096fc69baf0e445c08ffc934c8c808 100644
--- a/chrome/browser/views/tabs/tab_strip.cc
+++ b/chrome/browser/views/tabs/tab_strip.cc
@@ -292,8 +292,13 @@ void TabStrip::SelectTabAt(int old_model_index, int new_model_index) {
   }
 
   if (old_model_index >= 0) {
-    GetTabAtTabDataIndex(ModelIndexToTabIndex(old_model_index))->
-        StopMiniTabTitleAnimation();
+    Tab* tab = GetTabAtTabDataIndex(ModelIndexToTabIndex(old_model_index));
+    tab->StopMiniTabTitleAnimation();
+    tab->SelectedChanged();
+  }
+  if (new_model_index >= 0) {
+    GetTabAtTabDataIndex(
+        ModelIndexToTabIndex(new_model_index))->SelectedChanged();
   }
 }