Relanding focus manager refactoring

chrome/browser/views/tab_contents/tab_contents_view_win.h

Index: chrome/browser/views/tab_contents/tab_contents_view_win.h
===================================================================
--- chrome/browser/views/tab_contents/tab_contents_view_win.h	(revision 19153)
+++ chrome/browser/views/tab_contents/tab_contents_view_win.h	(working copy)
@@ -26,6 +26,10 @@
   explicit TabContentsViewWin(TabContents* tab_contents);
   virtual ~TabContentsViewWin();
 
+  // Reset the native parent of this view to NULL.  Unparented windows should
+  // not receive any messages.
+  virtual void Unparent();

[Ben Goodger (Google), 2009/06/26 21:18:08]

doesn't need to be virtual

+
   // TabContentsView implementation --------------------------------------------
 
   virtual void CreateView();
@@ -52,6 +56,9 @@
   virtual void TakeFocus(bool reverse);
   virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
 
+  // WidgetWin overridde.
+  virtual views::FocusManager* GetFocusManager();
+
  private:
   // Windows events ------------------------------------------------------------
 
@@ -104,6 +111,10 @@
   // The context menu. Callbacks are asynchronous so we need to keep it around.
   scoped_ptr<RenderViewContextMenuWin> context_menu_;
 
+  // The FocusManager associated with this tab.  Stored as it is not directly
+  // accessible when unparented.
+  views::FocusManager* focus_manager_;
+
   DISALLOW_COPY_AND_ASSIGN(TabContentsViewWin);
 };