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

chrome/browser/tab_contents/render_view_context_menu_gtk.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_TAB_CONTENTS_RENDER_VIEW_CONTEXT_MENU_GTK_H_
 #define CHROME_BROWSER_TAB_CONTENTS_RENDER_VIEW_CONTEXT_MENU_GTK_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/tab_contents/render_view_context_menu.h"
 #include "chrome/browser/ui/gtk/menu_gtk.h"
 #include "ui/gfx/point.h"
 
 class RenderWidgetHostView;
+
+namespace content {
 struct ContextMenuParams;
+}
 
 class RenderViewContextMenuGtk : public RenderViewContextMenu,
                                  public MenuGtk::Delegate {
  public:
   RenderViewContextMenuGtk(content::WebContents* web_contents,
-                           const ContextMenuParams& params,
+                           const content::ContextMenuParams& params,
                            RenderWidgetHostView* view);
 
   virtual ~RenderViewContextMenuGtk();
 
   // Show the menu at the given location.
   void Popup(const gfx::Point& point);
 
   // Menu::Delegate implementation ---------------------------------------------
   virtual bool AlwaysShowIconForCmd(int command_id) const OVERRIDE;
 
@@ skipping 10 matching lines @@
   virtual bool GetAcceleratorForCommandId(
       int command_id,
       ui::Accelerator* accelerator) OVERRIDE;
 
  private:
   scoped_ptr<MenuGtk> menu_gtk_;
   uint32_t triggering_event_time_;
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_RENDER_VIEW_CONTEXT_MENU_GTK_H_