Fixing problem with incomplete browser windows showing up after task manager was used

chrome/browser/ui/cocoa/browser_window_cocoa.mm

Index: chrome/browser/ui/cocoa/browser_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_cocoa.mm b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
index 2dd1dbc8abb44310dfe0c2bdab586d3e4d591c6d..50f33599e927f5f55010ad4aa7c7b1d4cd324a2d 100644
--- a/chrome/browser/ui/cocoa/browser_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
@@ -470,14 +470,6 @@ void BrowserWindowCocoa::ShowUpdateChromeDialog() {
   restart_browser::RequestRestart(window());
 }
 
-void BrowserWindowCocoa::ShowTaskManager() {
-  TaskManagerMac::Show(false);
-}
-
-void BrowserWindowCocoa::ShowBackgroundPages() {
-  TaskManagerMac::Show(true);
-}
-
 void BrowserWindowCocoa::ShowBookmarkBubble(const GURL& url,
                                             bool already_bookmarked) {
   [controller_ showBookmarkBubbleForURL:url