Parent the AppInfoDialog using a ModalDialogHost

chrome/browser/ui/cocoa/apps/app_info_dialog_cocoa.mm

Index: chrome/browser/ui/cocoa/apps/app_info_dialog_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/apps/app_info_dialog_cocoa.mm b/chrome/browser/ui/cocoa/apps/app_info_dialog_cocoa.mm
index 33a8aa235120bbefbf0048029e0df6d2a6435e8e..d238db3d8e60dd6ffd067f3ad7c602d93e2ddd94 100644
--- a/chrome/browser/ui/cocoa/apps/app_info_dialog_cocoa.mm
+++ b/chrome/browser/ui/cocoa/apps/app_info_dialog_cocoa.mm
@@ -5,20 +5,11 @@
 #include "base/logging.h"
 #include "chrome/browser/ui/apps/app_info_dialog.h"
 
-void ShowAppInfoInAppList(gfx::NativeWindow parent,
-                          const gfx::Rect& app_list_bounds,
-                          Profile* profile,
-                          const extensions::Extension* app,
-                          const base::Closure& close_callback) {
-  // TODO(sashab): Implement the App Info dialog on Mac.
-  NOTIMPLEMENTED();
-}
-
-void ShowAppInfoInNativeDialog(gfx::NativeWindow parent,
-                               const gfx::Size& size,
-                               Profile* profile,
-                               const extensions::Extension* app,
-                               const base::Closure& close_callback) {
+void ShowAppInfoModally(web_modal::ModalDialogHost* host,
+                        const gfx::Size& size,
+                        Profile* profile,
+                        const extensions::Extension* app,
+                        const base::Closure& close_callback) {
   // TODO(sashab): Implement the App Info dialog on Mac.
   NOTIMPLEMENTED();
 }