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

chrome/browser/ui/views/keyboard_overlay_delegate.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_UI_VIEWS_KEYBOARD_OVERLAY_DELEGATE_H_
 #define CHROME_BROWSER_UI_VIEWS_KEYBOARD_OVERLAY_DELEGATE_H_
 
 #include "chrome/browser/ui/webui/html_dialog_ui.h"
 
 
@@ skipping 19 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;
 
   // The dialog title.
   string16 title_;
 
   // The view associated with this delegate.
   // This class does not own the pointer.
   HtmlDialogView* view_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyboardOverlayDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_KEYBOARD_OVERLAY_DELEGATE_H_