Allow custom context menus to be requested.

content/renderer/render_view_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 702 matching lines @@
       const webkit::WebPluginInfo& info,
       const WebKit::WebPluginParams& params) OVERRIDE;
   virtual void EvaluateScript(const string16& frame_xpath,
                               const string16& jscript,
                               int id,
                               bool notify_result) OVERRIDE;
   virtual bool ShouldDisplayScrollbars(int width, int height) const OVERRIDE;
   virtual int GetEnabledBindings() const OVERRIDE;
   virtual bool GetContentStateImmediately() const OVERRIDE;
   virtual float GetFilteredTimePerFrame() const OVERRIDE;
-  virtual void ShowContextMenu(WebKit::WebFrame* frame,
-                               const WebKit::WebContextMenuData& data) OVERRIDE;
+  virtual int ShowContextMenu(
+      content::ContextMenuClient* client,
+      const content::ContextMenuParams& params) OVERRIDE;
   virtual WebKit::WebPageVisibilityState GetVisibilityState() const OVERRIDE;
   virtual void RunModalAlertDialog(WebKit::WebFrame* frame,
                                    const WebKit::WebString& message) OVERRIDE;
   virtual void LoadURLExternally(
       WebKit::WebFrame* frame,
       const WebKit::WebURLRequest& request,
       WebKit::WebNavigationPolicy policy) OVERRIDE;
   virtual void Repaint(const gfx::Size& size) OVERRIDE;
 
   // webkit_glue::WebPluginPageDelegate implementation -------------------------
@@ skipping 598 matching lines @@
   GURL focus_url_;
 
   // The next target URL we want to send to the browser.
   GURL pending_target_url_;
 
   // The text selection the last time DidChangeSelection got called.
   string16 selection_text_;
   size_t selection_text_offset_;
   ui::Range selection_range_;
 
+  // External context menu requests we're waiting for. "Internal"
+  // (WebKit-originated) context menu events will have an ID of 0 and will not
+  // be in this map.
+  //
+  // We don't want to add internal ones since some of the "special" page
+  // handlers in the browser process just ignore the context menu requests so
+  // avoid showing context menus, and so this will cause right clicks to leak
+  // entries in this map. Most users of the custom context menu (e.g. Pepper
+  // plugins) are normally only on "regular" pages and the regular pages will
+  // always respond properly to the request, so we don't have to worry so
+  // much about leaks.
+  IDMap<content::ContextMenuClient, IDMapExternalPointer>
+      pending_context_menus_;
+
   // View ----------------------------------------------------------------------
 
   // Cache the preferred size of the page in order to prevent sending the IPC
   // when layout() recomputes but doesn't actually change sizes.
   gfx::Size preferred_size_;
 
   // Used to delay determining the preferred size (to avoid intermediate
   // states for the sizes).
   base::OneShotTimer<RenderViewImpl> check_preferred_size_timer_;
 
@@ skipping 221 matching lines @@
   // bunch of stuff, you should probably create a helper class and put your
   // data and methods on that to avoid bloating RenderView more.  You can
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_