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

chrome/browser/printing/print_dialog_cloud_internal.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_PRINTING_PRINT_DIALOG_CLOUD_INTERNAL_H_
 #define CHROME_BROWSER_PRINTING_PRINT_DIALOG_CLOUD_INTERNAL_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 164 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;
 
  private:
   friend class ::CloudPrintHtmlDialogDelegateTest;
 
   // For unit testing.
   CloudPrintHtmlDialogDelegate(CloudPrintFlowHandler* flow_handler,
                                int width, int height,
                                const std::string& json_arguments,
                                bool modal,
                                bool delete_on_close);
@@ skipping 17 matching lines @@
                           const std::string& file_type,
                           bool modal,
                           bool delete_on_close);
 void CreateDialogSigninImpl(const base::Closure& callback);
 
 void Delete(const FilePath& path_to_file);
 
 }  // namespace internal_cloud_print_helpers
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_DIALOG_CLOUD_INTERNAL_H_