[Mac] First pass at multiple selection in the tabstrip.

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

Index: chrome/browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.mm
diff --git a/chrome/browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.mm b/chrome/browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.mm
index 8e56296239710d5104cf4ae7ba5d5153a385ba35..e3b610431c92ee72b248f8a7fcb862d9f2e700e2 100644
--- a/chrome/browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.mm
+++ b/chrome/browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.mm
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -54,12 +54,12 @@ void TabStripModelObserverBridge::TabSelectedAt(
     int index,
     bool user_gesture) {
   if ([controller_ respondsToSelector:
-          @selector(selectTabWithContents:previousContents:atIndex:
+          @selector(activateTabWithContents:previousContents:atIndex:
                     userGesture:)]) {
-    [controller_ selectTabWithContents:new_contents
-                      previousContents:old_contents
-                               atIndex:index
-                           userGesture:user_gesture];
+    [controller_ activateTabWithContents:new_contents
+                        previousContents:old_contents
+                                 atIndex:index
+                             userGesture:user_gesture];
   }
 }