Sidebar mini tabs UI (views version)....

chrome/browser/ui/cocoa/browser_window_controller.mm

Index: chrome/browser/ui/cocoa/browser_window_controller.mm
===================================================================
--- chrome/browser/ui/cocoa/browser_window_controller.mm	(revision 74134)
+++ chrome/browser/ui/cocoa/browser_window_controller.mm	(working copy)
@@ -484,8 +484,8 @@
   [devToolsController_ ensureContentsVisible];
 }
 
-- (void)updateSidebarForContents:(TabContents*)contents {
-  [sidebarController_ updateSidebarForTabContents:contents];
+- (void)updateSidebarForTab:(TabContentsWrapper*)tab {
+  [sidebarController_ updateSidebarForTab:tab];
   [sidebarController_ ensureContentsVisible];
 }
 
@@ -1421,14 +1421,16 @@
 }
 
 // TabStripControllerDelegate protocol.
-- (void)onSelectTabWithContents:(TabContents*)contents {
+- (void)onSelectTab:(TabContentsWrapper*)tab {
   // Update various elements that are interested in knowing the current
   // TabContents.
 
+  TabContents* contents = tab ? tab->tab_contents() : NULL;
+
   // Update all the UI bits.
   windowShim_->UpdateTitleBar();
 
-  [sidebarController_ updateSidebarForTabContents:contents];
+  [sidebarController_ updateSidebarForTab:tab];
   [devToolsController_ updateDevToolsForTabContents:contents
                                         withProfile:browser_->profile()];