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..7d457c60bf235b48bb394bfc160737c26d9f8ab6 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 +28,7 @@
 #include "chrome/browser/extensions/menu_manager.h"
 #endif
 
+class OpenWithMenuObserver;
 class PrintPreviewContextMenuObserver;
 class Profile;
 class SpellingMenuObserver;
@@ -117,6 +118,7 @@ class RenderViewContextMenu : public RenderViewContextMenuBase {
   void AppendDeveloperItems();
   void AppendDevtoolsForUnpackedExtensions();
   void AppendLinkItems();
+  void AppendOpenWithLinkItems();
   void AppendImageItems();
   void AppendAudioItems();
   void AppendCanvasItems();
@@ -187,6 +189,9 @@ class RenderViewContextMenu : public RenderViewContextMenuBase {
   scoped_ptr<SpellingOptionsSubMenuObserver> spelling_options_submenu_observer_;
 #endif
 
+  // An observer that handles "Open with <app>" items.
+  scoped_ptr<OpenWithMenuObserver> open_with_menu_observer_;
+
 #if defined(ENABLE_PRINT_PREVIEW)
   // An observer that disables menu items when print preview is active.
   scoped_ptr<PrintPreviewContextMenuObserver> print_preview_menu_observer_;