Adding the flip windows button to the browser window

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

Index: chrome/browser/ui/views/frame/browser_view.cc
===================================================================
--- chrome/browser/ui/views/frame/browser_view.cc	(revision 137335)
+++ chrome/browser/ui/views/frame/browser_view.cc	(working copy)
@@ -297,6 +297,7 @@
       active_bookmark_bar_(NULL),
       tabstrip_(NULL),
       toolbar_(NULL),
+      window_switcher_button_(NULL),
       infobar_container_(NULL),
       contents_container_(NULL),
       devtools_container_(NULL),
@@ -798,6 +799,13 @@
     selected_web_contents->GetView()->RestoreFocus();
 }
 
+void BrowserView::SetWindowSwitcherButton(views::Button* button) {
+  if (window_switcher_button_)
+    RemoveChildView(window_switcher_button_);
+  window_switcher_button_ = button;
+  AddChildView(button);
+}
+
 LocationBar* BrowserView::GetLocationBar() const {
   return GetLocationBarView();
 }