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

chrome/browser/tab_contents/spellchecker_submenu_observer_hunspell.cc

 // 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.
 
 #include "chrome/browser/tab_contents/spellchecker_submenu_observer.h"
 
 #include "base/logging.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/prefs/pref_member.h"
@@ skipping 19 matching lines @@
       submenu_model_(delegate),
       spellcheck_enabled_(false),
       language_group_(group),
       language_selected_(0) {
   DCHECK(proxy_);
 }
 
 SpellCheckerSubMenuObserver::~SpellCheckerSubMenuObserver() {
 }
 
-void SpellCheckerSubMenuObserver::InitMenu(const ContextMenuParams& params) {
+void SpellCheckerSubMenuObserver::InitMenu(
+    const content::ContextMenuParams& params) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   spellcheck_enabled_ = params.spellcheck_enabled;
 
   // Add available spell-checker languages to the sub menu.
   Profile* profile = proxy_->GetProfile();
   language_selected_ =
       SpellCheckHost::GetSpellCheckLanguages(profile, &languages_);
   DCHECK(languages_.size() <
          IDC_SPELLCHECK_LANGUAGES_LAST - IDC_SPELLCHECK_LANGUAGES_FIRST);
@@ skipping 120 matching lines @@
     return;
   }
 
   RenderViewHost* rvh = proxy_->GetRenderViewHost();
   switch (command_id) {
     case IDC_CHECK_SPELLING_OF_THIS_FIELD:
       rvh->Send(new SpellCheckMsg_ToggleSpellCheck(rvh->routing_id()));
       break;
   }
 }