Fixing the Position of Context Menu for BrowserPlugin (<webview>)

content/browser/browser_plugin/browser_plugin_guest.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.
 
 // A BrowserPluginGuest is the browser side of a browser <--> embedder
 // renderer channel. A BrowserPlugin (a WebPlugin) is on the embedder
 // renderer side of browser <--> embedder renderer communication.
 //
 // BrowserPluginGuest lives on the UI thread of the browser process. Any
 // messages about the guest render process that the embedder might be interested
@@ skipping 169 matching lines @@
   int LoadURLWithParams(
       const NavigationController::LoadURLParams& load_params) override;
   void SizeContents(const gfx::Size& new_size) override;
   void WillDestroy() override;
 
   // Exposes the protected web_contents() from WebContentsObserver.
   WebContentsImpl* GetWebContents() const;
 
   gfx::Point GetScreenCoordinates(const gfx::Point& relative_position) const;
 
+  // This method is called by the RenderWidgetHostViewGuest to inform the
+  // BrowserPlugin of the potential location of the context menu event (to
+  // come). The need for this (hack) is that the input events when passed on to
+  // the BrowserPlugin are modified by any CSS transforms applied on the plugin.
+  // Therefore, the coordinates of the context menu event with respect to the
+  // container window are modifed with the guest renderer process beiung unaware
+  // of the change. Then eventually, when the context menu event arrives at the
+  // browser, it contains the wrong coordinates (BUG=470087).
+  // TODO(ekaramad): Find a more fundamental solution and remove this later.
+  void SetContextMenuPosition(const gfx::Point& position);
+
   // Helper to send messages to embedder. If this guest is not yet attached,
   // then IPCs will be queued until attachment.
   void SendMessageToEmbedder(IPC::Message* msg);
 
   // Returns whether the guest is attached to an embedder.
   bool attached() const { return attached_; }
 
   // Returns true when an attachment has taken place since the last time the
   // compositor surface was set.
   bool has_attached_since_surface_set() const {
@@ skipping 256 matching lines @@
   // Weak pointer used to ask GeolocationPermissionContext about geolocation
   // permission.
   base::WeakPtrFactory<BrowserPluginGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginGuest);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_H_