[PermissionBubble] Handle ownership management x-platform.

chrome/browser/ui/cocoa/browser_window_controller.mm

Index: chrome/browser/ui/cocoa/browser_window_controller.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller.mm b/chrome/browser/ui/cocoa/browser_window_controller.mm
index 05f7da8fe435416cf6e32c56951cbcfd0d97c84a..7b549fa9ad13d10f3da7779ed4940531d6901282 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller.mm
@@ -70,14 +70,12 @@
 #import "chrome/browser/ui/cocoa/tabs/tab_view.h"
 #import "chrome/browser/ui/cocoa/toolbar/toolbar_controller.h"
 #import "chrome/browser/ui/cocoa/translate/translate_bubble_controller.h"
-#include "chrome/browser/ui/cocoa/website_settings/permission_bubble_cocoa.h"
 #include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
 #include "chrome/browser/ui/location_bar/location_bar.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_delegate.h"
 #include "chrome/browser/ui/toolbar/encoding_menu_controller.h"
 #include "chrome/browser/ui/translate/translate_bubble_model_impl.h"
-#include "chrome/browser/ui/website_settings/permission_bubble_manager.h"
 #include "chrome/browser/ui/window_sizer/window_sizer.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/command.h"
@@ -1266,27 +1264,6 @@ using content::WebContents;
   [toolbarController_ setTranslateIconLit:on];
 }
 
-- (void)onActiveTabChanged:(content::WebContents*)oldContents
-                        to:(content::WebContents*)newContents {
-  // No need to remove previous bubble. It will close itself.
-  PermissionBubbleManager* manager(nullptr);
-  if (oldContents) {
-    manager = PermissionBubbleManager::FromWebContents(oldContents);
-    if (manager)
-      manager->SetView(nullptr);
-  }
-
-  if (newContents) {
-    if (!permissionBubbleCocoa_.get()) {
-      DCHECK(browser_.get());
-      permissionBubbleCocoa_.reset(new PermissionBubbleCocoa(browser_.get()));
-    }
-    manager = PermissionBubbleManager::FromWebContents(newContents);
-    if (manager)
-      manager->SetView(permissionBubbleCocoa_.get());
-  }
-}
-
 - (void)zoomChangedForActiveTab:(BOOL)canShowBubble {
   [toolbarController_ zoomChangedForActiveTab:canShowBubble];
 }