Move ContextMenuParams struct from webkit/glue to content/public/common. The reasons are:

chrome/browser/chromeos/login/login_html_dialog.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 CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_HTML_DIALOG_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_HTML_DIALOG_H_
 #pragma once
 
 #include <string>
 
@@ skipping 52 matching lines @@
   virtual string16 GetDialogTitle() const OVERRIDE;
   virtual GURL GetDialogContentURL() const OVERRIDE;
   virtual void GetWebUIMessageHandlers(
       std::vector<content::WebUIMessageHandler*>* handlers) const OVERRIDE;
   virtual void GetDialogSize(gfx::Size* size) const OVERRIDE;
   virtual std::string GetDialogArgs() const OVERRIDE;
   virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE;
   virtual void OnCloseContents(
       content::WebContents* source, bool* out_close_dialog) OVERRIDE;
   virtual bool ShouldShowDialogTitle() const OVERRIDE;
-  virtual bool HandleContextMenu(const ContextMenuParams& params) OVERRIDE;
+  virtual bool HandleContextMenu(
+      const content::ContextMenuParams& params) OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
  private:
   // Notifications receiver.
   Delegate* delegate_;
 
   gfx::NativeWindow parent_window_;
   string16 title_;
   GURL url_;
   Style style_;
   content::NotificationRegistrar notification_registrar_;
   BubbleFrameView* bubble_frame_view_;
   bool is_open_;
 
   // Dialog display size.
   int width_;
   int height_;
 
   DISALLOW_COPY_AND_ASSIGN(LoginHtmlDialog);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_HTML_DIALOG_H_