Convert Pass()→std::move() for Mac build.

chrome/browser/ui/cocoa/extensions/extension_popup_controller.mm

Index: chrome/browser/ui/cocoa/extensions/extension_popup_controller.mm
diff --git a/chrome/browser/ui/cocoa/extensions/extension_popup_controller.mm b/chrome/browser/ui/cocoa/extensions/extension_popup_controller.mm
index d38805a2baa8f1204369f496a4d08088b44aab26..b192160e4b1ae1001d837bac3a709310acbf1c37 100644
--- a/chrome/browser/ui/cocoa/extensions/extension_popup_controller.mm
+++ b/chrome/browser/ui/cocoa/extensions/extension_popup_controller.mm
@@ -5,6 +5,7 @@
 #import "chrome/browser/ui/cocoa/extensions/extension_popup_controller.h"
 
 #include <algorithm>
+#include <utility>
 
 #include "base/callback.h"
 #include "base/macros.h"
@@ -276,7 +277,7 @@ class ExtensionPopupNotificationBridge : public content::NotificationObserver {
                 anchoredAt:anchoredAt
              arrowLocation:arrowLocation
                    devMode:devMode];
-  [gPopup setExtensionViewHost:host.Pass()];
+  [gPopup setExtensionViewHost:std::move(host)];
   return gPopup;
 }