Remove a bit of dead code from TabContentsViewWin.

chrome/browser/ui/views/tab_contents/tab_contents_view_win.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/views/tab_contents/tab_contents_view_win.h"
 
 #include <windows.h>
 
 #include "base/time.h"
 #include "chrome/browser/download/download_request_limiter.h"
@@ skipping 164 matching lines @@
     SetWindowPos(NULL, 0, 0, size.width(), size.height(), swp_flags);
   } else {
     // Our size isn't changing, which means SetWindowPos won't invoke
     // OnWindowPosChanged. We need to invoke WasSized though as the renderer may
     // need to be sized.
     WasSized(bounds.size());
   }
 }
 
 void TabContentsViewWin::Focus() {
-  views::FocusManager* focus_manager =
-      views::FocusManager::GetFocusManagerForNativeView(GetNativeView());
-
   if (tab_contents()->interstitial_page()) {
     tab_contents()->interstitial_page()->Focus();
     return;
   }
 
   if (tab_contents()->is_crashed() && sad_tab_ != NULL) {
     sad_tab_->RequestFocus();
     return;
   }
 
@@ skipping 369 matching lines @@
   }
   return false;
 }
 
 void TabContentsViewWin::WheelZoom(int distance) {
   if (tab_contents()->delegate()) {
     bool zoom_in = distance > 0;
     tab_contents()->delegate()->ContentsZoomChange(zoom_in);
   }
 }