Migrate ExtensionPopup from BubbleDelegateView to

chrome/browser/ui/views/extensions/extension_popup.cc

Index: chrome/browser/ui/views/extensions/extension_popup.cc
diff --git a/chrome/browser/ui/views/extensions/extension_popup.cc b/chrome/browser/ui/views/extensions/extension_popup.cc
index 37ef720fab4b997ed072e18466c35078978cdd43..3af6bb889e6372e62b22cfa5a12f534176c0f109 100644
--- a/chrome/browser/ui/views/extensions/extension_popup.cc
+++ b/chrome/browser/ui/views/extensions/extension_popup.cc
@@ -48,7 +48,7 @@ ExtensionPopup* ExtensionPopup::Create(extensions::ExtensionViewHost* host,
                                        views::BubbleBorder::Arrow arrow,
                                        ShowAction show_action) {
   auto popup = new ExtensionPopup(host, anchor_view, arrow, show_action);
-  views::BubbleDelegateView::CreateBubble(popup);
+  views::BubbleDialogDelegateView::CreateBubble(popup);
   return popup;
 }
 #endif
@@ -57,7 +57,7 @@ ExtensionPopup::ExtensionPopup(extensions::ExtensionViewHost* host,
                                views::View* anchor_view,
                                views::BubbleBorder::Arrow arrow,
                                ShowAction show_action)
-    : BubbleDelegateView(anchor_view, arrow),
+    : BubbleDialogDelegateView(anchor_view, arrow),
       host_(host),
       devtools_callback_(base::Bind(
           &ExtensionPopup::OnDevToolsStateChanged, base::Unretained(this))),
@@ -70,7 +70,6 @@ ExtensionPopup::ExtensionPopup(extensions::ExtensionViewHost* host,
   // ExtensionPopup closes itself on very specific de-activation conditions.
   set_close_on_deactivate(false);
 
-
   // Listen for the containing view calling window.close();
   registrar_.Add(
       this,
@@ -100,6 +99,10 @@ ExtensionPopup::~ExtensionPopup() {
       host_.get())->GetBrowser()->tab_strip_model()->RemoveObserver(this);
 }
 
+int ExtensionPopup::GetDialogButtons() const {
+  return ui::DIALOG_BUTTON_NONE;
+}
+
 void ExtensionPopup::Observe(int type,
                              const content::NotificationSource& source,
                              const content::NotificationDetails& details) {