Revert 291002 "Introduce WebViewGuestDelegate."

trunk/src/chrome/browser/guest_view/web_view/web_view_guest.h

Index: trunk/src/chrome/browser/guest_view/web_view/web_view_guest.h
===================================================================
--- trunk/src/chrome/browser/guest_view/web_view/web_view_guest.h	(revision 291025)
+++ trunk/src/chrome/browser/guest_view/web_view/web_view_guest.h	(working copy)
@@ -17,12 +17,23 @@
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/guest_view/guest_view.h"
-#include "extensions/browser/guest_view/web_view/web_view_guest_delegate.h"
 #include "extensions/browser/script_executor.h"
 #include "third_party/WebKit/public/web/WebFindOptions.h"
 
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
+#endif
+
+class RenderViewContextMenu;
+
+namespace ui {
+class SimpleMenuModel;
+}  // namespace ui
+
 namespace extensions {
 
+namespace webview_api = api::web_view_internal;
+
 class WebViewInternalFindFunction;
 
 // A WebViewGuest provides the browser-side implementation of the <webview> API
@@ -58,13 +69,12 @@
   // Request navigating the guest to the provided |src| URL.
   void NavigateGuest(const std::string& src);
 
+  typedef std::vector<linked_ptr<webview_api::ContextMenuItem> > MenuItemVector;
   // Shows the context menu for the guest.
   // |items| acts as a filter. This restricts the current context's default
   // menu items to contain only the items from |items|.
   // |items| == NULL means no filtering will be applied.
-  void ShowContextMenu(
-      int request_id,
-      const WebViewGuestDelegate::MenuItemVector* items);
+  void ShowContextMenu(int request_id, const MenuItemVector* items);
 
   // Sets the frame name of the guest.
   void SetName(const std::string& name);
@@ -233,6 +243,10 @@
 
   virtual ~WebViewGuest();
 
+  // Returns the top level items (ignoring submenus) as Value.
+  static scoped_ptr<base::ListValue> MenuModelToValue(
+      const ui::SimpleMenuModel& menu_model);
+
   void AttachWebViewHelpers(content::WebContents* contents);
 
   void OnWebViewNewWindowResponse(int new_window_instance_id,
@@ -277,6 +291,14 @@
   static void RemoveWebViewStateFromIOThread(
       content::WebContents* web_contents);
 
+#if defined(OS_CHROMEOS)
+  // Notification of a change in the state of an accessibility setting.
+  void OnAccessibilityStatusChanged(
+    const chromeos::AccessibilityStatusEventDetails& details);
+#endif
+
+  void InjectChromeVoxIfNeeded(content::RenderViewHost* render_view_host);
+
   void LoadURLWithParams(const GURL& url,
                          const content::Referrer& referrer,
                          content::PageTransition transition_type,
@@ -318,9 +340,19 @@
 
   content::NotificationRegistrar notification_registrar_;
 
+  // A counter to generate a unique request id for a context menu request.
+  // We only need the ids to be unique for a given WebViewGuest.
+  int pending_context_menu_request_id_;
+
   // True if the user agent is overridden.
   bool is_overriding_user_agent_;
 
+  // Set to |true| if ChromeVox was already injected in main frame.
+  bool chromevox_injected_;
+
+  // Stores the current zoom factor.
+  double current_zoom_factor_;
+
   // Stores the window name of the main frame of the guest.
   std::string name_;
 
@@ -333,11 +365,19 @@
   // Handels permission requests.
   scoped_ptr<WebViewPermissionHelper> web_view_permission_helper_;
 
-  scoped_ptr<WebViewGuestDelegate> web_view_guest_delegate_;
-
   friend void WebViewFindHelper::DispatchFindUpdateEvent(bool canceled,
                                                          bool final_update);
 
+  // Holds the RenderViewContextMenu that has been built but yet to be
+  // shown. This is .Reset() after ShowContextMenu().
+  scoped_ptr<RenderViewContextMenu> pending_menu_;
+
+#if defined(OS_CHROMEOS)
+  // Subscription to receive notifications on changes to a11y settings.
+  scoped_ptr<chromeos::AccessibilityStatusSubscription>
+      accessibility_subscription_;
+#endif
+
   // Tracks the name, and target URL of the new window. Once the first
   // navigation commits, we no longer track this information.
   struct NewWindowInfo {