Remove unused code for the metro window switcher button

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

 // Copyright 2012 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.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 230 matching lines @@
  public:
   explicit BrowserViewLayoutDelegateImpl(BrowserView* browser_view)
       : browser_view_(browser_view) {}
   virtual ~BrowserViewLayoutDelegateImpl() {}
 
   // BrowserViewLayoutDelegate overrides:
   virtual views::View* GetContentsWebView() const OVERRIDE {
     return browser_view_->contents_web_view_;
   }
 
-  virtual views::View* GetWindowSwitcherButton() const OVERRIDE {
-    return browser_view_->window_switcher_button();
-  }
-
   virtual bool DownloadShelfNeedsLayout() const OVERRIDE {
     DownloadShelfView* download_shelf = browser_view_->download_shelf_.get();
     // Re-layout the shelf either if it is visible or if its close animation
     // is currently running.
     return download_shelf &&
            (download_shelf->IsShowing() || download_shelf->IsClosing());
   }
 
   virtual bool IsTabStripVisible() const OVERRIDE {
     return browser_view_->IsTabStripVisible();
@@ skipping 122 matching lines @@
 // BrowserView, public:
 
 BrowserView::BrowserView()
     : views::ClientView(NULL, NULL),
       last_focused_view_storage_id_(
           views::ViewStorage::GetInstance()->CreateStorageID()),
       frame_(NULL),
       top_container_(NULL),
       tabstrip_(NULL),
       toolbar_(NULL),
-      window_switcher_button_(NULL),
       find_bar_host_view_(NULL),
       infobar_container_(NULL),
       contents_web_view_(NULL),
       contents_container_(NULL),
       devtools_window_(NULL),
       initialized_(false),
       in_process_fullscreen_(false),
 #if defined(OS_WIN)
       hung_window_detector_(&hung_plugin_action_),
       ticker_(0),
@@ skipping 523 matching lines @@
   return false;
 }
 #endif  // defined(OS_WIN)
 
 void BrowserView::RestoreFocus() {
   WebContents* selected_web_contents = GetActiveWebContents();
   if (selected_web_contents)
     selected_web_contents->RestoreFocus();
 }
 
-void BrowserView::SetWindowSwitcherButton(views::Button* button) {
-  if (window_switcher_button_)
-    RemoveChildView(window_switcher_button_);
-  window_switcher_button_ = button;
-}
-
 void BrowserView::FullscreenStateChanged() {
   CHECK(!IsFullscreen());
   ProcessFullscreen(false, NORMAL_FULLSCREEN, GURL(), FEB_TYPE_NONE);
 }
 
 void BrowserView::ToolbarSizeChanged(bool is_animating) {
   // The call to InfoBarContainer::SetMaxTopArrowHeight() below can result in
   // reentrancy; |call_state| tracks whether we're reentrant.  We can't just
   // early-return in this case because we need to layout again so the infobar
   // container's bounds are set correctly.
@@ skipping 998 matching lines @@
   toolbar_->Init();
 
   InitStatusBubble();
   InitPermissionBubbleView();
 
   // Create do-nothing view for the sake of controlling the z-order of the find
   // bar widget.
   find_bar_host_view_ = new View();
   AddChildView(find_bar_host_view_);
 
-  if (window_switcher_button_)
-    AddChildView(window_switcher_button_);
-
   immersive_mode_controller_->Init(this);
 
   BrowserViewLayout* browser_view_layout = new BrowserViewLayout;
   browser_view_layout->Init(new BrowserViewLayoutDelegateImpl(this),
                             browser(),
                             this,
                             top_container_,
                             tabstrip_,
                             toolbar_,
                             infobar_container_,
@@ skipping 555 matching lines @@
       !GetLocationBar()->GetOmniboxView()->model()->popup_model()->IsOpen()) {
     gfx::Point icon_bottom(
         toolbar_->location_bar()->GetLocationBarAnchorPoint());
     ConvertPointToTarget(toolbar_->location_bar(), this, &icon_bottom);
     gfx::Point infobar_top(0, infobar_container_->GetVerticalOverlap(NULL));
     ConvertPointToTarget(infobar_container_, this, &infobar_top);
     top_arrow_height = infobar_top.y() - icon_bottom.y();
   }
   return top_arrow_height;
 }