Clean up TCW, make it solely a hub for 1:1 observer/helper objects.

chrome/browser/ui/gtk/find_bar_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/find_bar_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 654 matching lines @@
       }
     // Fall through.
     default:
       return false;
   }
 
   TabContentsWrapper* contents = find_bar_controller_->tab_contents();
   if (!contents)
     return false;
 
-  RenderViewHost* render_view_host = contents->render_view_host();
+  RenderViewHost* render_view_host =
+      contents->tab_contents()->render_view_host();
 
   // Make sure we don't have a text field element interfering with keyboard
   // input. Otherwise Up and Down arrow key strokes get eaten. "Nom Nom Nom".
   render_view_host->ClearFocusedNode();
 
   NativeWebKeyboardEvent wke(reinterpret_cast<GdkEvent*>(event));
   render_view_host->ForwardKeyboardEvent(wke);
   return true;
 }
 
@@ skipping 296 matching lines @@
   return FALSE;  // Continue propagation.
 }
 
 gboolean FindBarGtk::OnFocusOut(GtkWidget* entry, GdkEventFocus* event) {
   g_signal_handlers_disconnect_by_func(
       gdk_keymap_get_for_display(gtk_widget_get_display(entry)),
       reinterpret_cast<gpointer>(&OnKeymapDirectionChanged), this);
 
   return FALSE;  // Continue propagation.
 }