MacViews: Fixed BrowserViewTest.CloseWithTabsStartWithActive.

chrome/browser/ui/views/frame/browser_frame_mac.mm

Index: chrome/browser/ui/views/frame/browser_frame_mac.mm
diff --git a/chrome/browser/ui/views/frame/browser_frame_mac.mm b/chrome/browser/ui/views/frame/browser_frame_mac.mm
index d28a4da4bae421fe9cc3406d82b383b6947a356f..5e0242dd9be3f5e00a98808a45081af35210d0a5 100644
--- a/chrome/browser/ui/views/frame/browser_frame_mac.mm
+++ b/chrome/browser/ui/views/frame/browser_frame_mac.mm
@@ -7,7 +7,6 @@
 #import "chrome/browser/ui/cocoa/browser_window_command_handler.h"
 #import "chrome/browser/ui/cocoa/chrome_command_dispatcher_delegate.h"
 #include "chrome/browser/ui/views/frame/browser_frame.h"
-#include "chrome/browser/ui/views/frame/browser_shutdown.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #import "chrome/browser/ui/views/frame/native_widget_mac_frameless_nswindow.h"
 #include "components/web_modal/web_contents_modal_dialog_host.h"
@@ -26,13 +25,6 @@ BrowserFrameMac::~BrowserFrameMac() {
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserFrameMac, views::NativeWidgetMac implementation:
 
-void BrowserFrameMac::OnWindowWillClose() {
-  // Destroy any remaining WebContents early on. This is consistent with Aura.
-  // See comment in DesktopBrowserFrameAura::OnHostClosed().
-  DestroyBrowserWebContents(browser_view_->browser());
-  NativeWidgetMac::OnWindowWillClose();
-}
-
 int BrowserFrameMac::SheetPositionY() {
   web_modal::WebContentsModalDialogHost* dialog_host =
       browser_view_->GetWebContentsModalDialogHost();