Make the App Info Dialog appear modal

chrome/browser/ui/ash/app_list/app_list_controller_ash.cc

Index: chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
diff --git a/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc b/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
index 3f60d49c8ab5bae6feb61c5c7a21e6f734cf80db..1b642faddfab0d796c048518f7a48902a6ef7187 100644
--- a/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
+++ b/chrome/browser/ui/ash/app_list/app_list_controller_ash.cc
@@ -7,6 +7,7 @@
 #include "ash/shell.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "extensions/common/extension.h"
+#include "ui/app_list/views/app_list_view.h"
 
 AppListControllerDelegateAsh::AppListControllerDelegateAsh() {}
 
@@ -23,6 +24,14 @@ gfx::NativeWindow AppListControllerDelegateAsh::GetAppListWindow() {
   return ash::Shell::GetInstance()->GetAppListWindow();
 }
 
+gfx::Rect AppListControllerDelegateAsh::GetAppListBounds() {
+  app_list::AppListView* app_list_view =
+      ash::Shell::GetInstance()->GetAppListView();
+  if (app_list_view)
+    return app_list_view->GetBoundsInScreen();
+  return gfx::Rect();
+}
+
 gfx::ImageSkia AppListControllerDelegateAsh::GetWindowIcon() {
   return gfx::ImageSkia();
 }
@@ -46,6 +55,20 @@ AppListControllerDelegate::Pinnable
       PIN_FIXED;
 }
 
+void AppListControllerDelegateAsh::OnShowChildDialog() {
+  app_list::AppListView* app_list_view =
+      ash::Shell::GetInstance()->GetAppListView();
+  if (app_list_view)
+    app_list_view->SetAppListOverlayVisible(true);
+}
+
+void AppListControllerDelegateAsh::OnCloseChildDialog() {
+  app_list::AppListView* app_list_view =
+      ash::Shell::GetInstance()->GetAppListView();
+  if (app_list_view)
+    app_list_view->SetAppListOverlayVisible(false);
+}
+
 bool AppListControllerDelegateAsh::CanDoCreateShortcutsFlow() {
   return false;
 }