Remove unused code for the metro window switcher button

chrome/browser/ui/views/frame/browser_view_layout_unittest.cc

 // Copyright 2013 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/frame/browser_view_layout.h"
 
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/frame/browser_view_layout_delegate.h"
 #include "chrome/browser/ui/views/frame/contents_layout_manager.h"
 #include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
@@ skipping 23 matching lines @@
     toolbar_visible_ = visible;
   }
   void set_bookmark_bar_visible(bool visible) {
     bookmark_bar_visible_ = visible;
   }
 
   // BrowserViewLayout::Delegate overrides:
   virtual views::View* GetContentsWebView() const OVERRIDE {
     return contents_web_view_;
   }
-  virtual views::View* GetWindowSwitcherButton() const OVERRIDE {
-    // TODO(jamescook): Add a test for Windows that exercises the layout for
-    // this button.
-    return NULL;
-  }
   virtual bool IsTabStripVisible() const OVERRIDE {
     return tab_strip_visible_;
   }
   virtual gfx::Rect GetBoundsForTabStripInBrowserView() const OVERRIDE {
     return gfx::Rect();
   }
   virtual int GetTopInsetInBrowserView() const OVERRIDE {
     return 0;
   }
   virtual int GetThemeBackgroundXInset() const OVERRIDE {
@@ skipping 204 matching lines @@
   const int kBottom = 500;
   EXPECT_EQ(kBottom, layout()->LayoutDownloadShelf(kBottom));
 
   // Download shelf layout moves up the bottom edge and sets visibility.
   delegate()->set_download_shelf_needs_layout(true);
   download_shelf->SetVisible(false);
   EXPECT_EQ(450, layout()->LayoutDownloadShelf(kBottom));
   EXPECT_TRUE(download_shelf->visible());
   EXPECT_EQ("0,450 0x50", download_shelf->bounds().ToString());
 }