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

chrome/browser/ui/webui/html_dialog_ui.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_WEBUI_HTML_DIALOG_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_UI_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/string16.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_ui_controller.h"
 #include "googleurl/src/gurl.h"
 #include "ui/base/ui_base_types.h"
 
-struct ContextMenuParams;
 
 namespace base {
 class ListValue;
 template<class T> class PropertyAccessor;
 }
 
 namespace content {
 class WebContents;
 class WebUIMessageHandler;
+struct ContextMenuParams;
 }
 
 namespace gfx {
 class Size;
 }
 
 // Implement this class to receive notifications.
 class HtmlDialogUIDelegate {
  public:
   // Returns true if the contents needs to be run in a modal dialog.
@@ skipping 36 matching lines @@
                                bool* out_close_dialog) = 0;
 
   // A callback to allow the delegate to dictate that the window should not
   // have a title bar.  This is useful when presenting branded interfaces.
   virtual bool ShouldShowDialogTitle() const = 0;
 
   // A callback to allow the delegate to inhibit context menu or show
   // customized menu.
   // Returns true iff you do NOT want the standard context menu to be
   // shown (because you want to handle it yourself).
-  virtual bool HandleContextMenu(const ContextMenuParams& params);
+  virtual bool HandleContextMenu(const content::ContextMenuParams& params);
 
   // A callback to allow the delegate to open a new URL inside |source|.
   // On return |out_new_contents| should contain the WebContents the URL
   // is opened in. Return false to use the default handler.
   virtual bool HandleOpenURLFromTab(content::WebContents* source,
                                     const content::OpenURLParams& params,
                                     content::WebContents** out_new_contents);
 
   // A callback to create a new tab with |new_contents|. |source| is the
   // WebContent where the operation originated. |disposition| controls how the
@@ skipping 62 matching lines @@
 // Intended to be the place to collect the settings and lockdowns
 // necessary for running external UI components securely (e.g., the
 // cloud print dialog).
 class ExternalHtmlDialogUI : public HtmlDialogUI {
  public:
   explicit ExternalHtmlDialogUI(content::WebUI* web_ui);
   virtual ~ExternalHtmlDialogUI();
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_UI_H_