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

chrome/browser/ui/sync/tab_contents_wrapper_synced_tab_delegate.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/sync/tab_contents_wrapper_synced_tab_delegate.h"
 
 #include "content/browser/tab_contents/navigation_controller.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/sessions/restore_tab_helper.h"
@@ skipping 28 matching lines @@
       tab_contents_wrapper_->extension_tab_helper()->extension_app());
 }
 
 const std::string& TabContentsWrapperSyncedTabDelegate::GetExtensionAppId()
     const {
   DCHECK(HasExtensionAppId());
   return  tab_contents_wrapper_->extension_tab_helper()->extension_app()->id();
 }
 
 int TabContentsWrapperSyncedTabDelegate::GetCurrentEntryIndex() const {
-  return tab_contents_wrapper_->controller().GetCurrentEntryIndex();
+  return tab_contents_wrapper_->tab_contents()->controller().
+      GetCurrentEntryIndex();
 }
 
 int TabContentsWrapperSyncedTabDelegate::GetEntryCount() const {
-  return tab_contents_wrapper_->controller().entry_count();
+  return tab_contents_wrapper_->tab_contents()->controller().entry_count();
 }
 
 int TabContentsWrapperSyncedTabDelegate::GetPendingEntryIndex() const {
-  return tab_contents_wrapper_->controller().pending_entry_index();
+  return tab_contents_wrapper_->tab_contents()->controller().
+      pending_entry_index();
 }
 
 NavigationEntry* TabContentsWrapperSyncedTabDelegate::GetPendingEntry() const {
-  return tab_contents_wrapper_->controller().pending_entry();
+  return tab_contents_wrapper_->tab_contents()->controller().pending_entry();
 }
 
 NavigationEntry* TabContentsWrapperSyncedTabDelegate::GetEntryAtIndex(int i)
     const {
-  return tab_contents_wrapper_->controller().GetEntryAtIndex(i);
+  return tab_contents_wrapper_->tab_contents()->controller().GetEntryAtIndex(i);
 }
 
 NavigationEntry* TabContentsWrapperSyncedTabDelegate::GetActiveEntry() const {
-  return tab_contents_wrapper_->controller().GetActiveEntry();
+  return tab_contents_wrapper_->tab_contents()->controller().GetActiveEntry();
 }