Multi-tab selection: Renaming TabStripModelObserver::TabSelectedAt to ActiveTabChanged

chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm

Index: chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
diff --git a/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm b/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
index 2c8fccc088d407b1c164191509dfdfe6eca64409..c0e132d6186b66f11cbbc5ea4810e2e2934945bd 100644
--- a/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
+++ b/chrome/browser/ui/cocoa/tabs/tab_strip_controller.mm
@@ -1273,8 +1273,8 @@ class NotificationBridge : public NotificationObserver {
   DCHECK_EQ(oldContents->tab_contents(), [oldController tabContents]);
 
   // Simply create a new TabContentsController for |newContents| and place it
-  // into the array, replacing |oldContents|.  A TabSelectedAt notification will
-  // follow, at which point we will install the new view.
+  // into the array, replacing |oldContents|.  A TabActivatedAt notification
+  // will follow, at which point we will install the new view.
   scoped_nsobject<TabContentsController> newController(
       [[TabContentsController alloc]
           initWithContents:newContents->tab_contents()