Add "Open with <ARC-app-name>" items to the context menu

chrome/browser/renderer_context_menu/render_view_context_menu.h

Index: chrome/browser/renderer_context_menu/render_view_context_menu.h
diff --git a/chrome/browser/renderer_context_menu/render_view_context_menu.h b/chrome/browser/renderer_context_menu/render_view_context_menu.h
index 9148d4d38af708aa44c1174d8d22a0c0fedb47cc..8ce474df0cfca9bce4bce3f89756838d2d826b5c 100644
--- a/chrome/browser/renderer_context_menu/render_view_context_menu.h
+++ b/chrome/browser/renderer_context_menu/render_view_context_menu.h
@@ -28,6 +28,9 @@
 #include "chrome/browser/extensions/menu_manager.h"
 #endif
 
+#if defined(OS_CHROMEOS)
+class ArcAppMenuObserver;
+#endif
 class PrintPreviewContextMenuObserver;
 class Profile;
 class SpellingMenuObserver;
@@ -117,6 +120,9 @@ class RenderViewContextMenu : public RenderViewContextMenuBase {
   void AppendDeveloperItems();
   void AppendDevtoolsForUnpackedExtensions();
   void AppendLinkItems();
+#if defined(OS_CHROMEOS)
+  void AppendArcLinkItems();
+#endif
   void AppendImageItems();
   void AppendAudioItems();
   void AppendCanvasItems();
@@ -187,6 +193,11 @@ class RenderViewContextMenu : public RenderViewContextMenuBase {
   scoped_ptr<SpellingOptionsSubMenuObserver> spelling_options_submenu_observer_;
 #endif
 
+#if defined(OS_CHROMEOS)
+  // An observer that handles ARC app menu items.
+  scoped_ptr<ArcAppMenuObserver> arc_app_menu_observer_;
+#endif
+
 #if defined(ENABLE_PRINT_PREVIEW)
   // An observer that disables menu items when print preview is active.
   scoped_ptr<PrintPreviewContextMenuObserver> print_preview_menu_observer_;