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

chrome/browser/ui/views/html_dialog_view.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/ui/views/html_dialog_view.h"
 
 #include <vector>
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 192 matching lines @@
   if (delegate_)
     delegate_->OnCloseContents(source, out_close_dialog);
 }
 
 bool HtmlDialogView::ShouldShowDialogTitle() const {
   if (delegate_)
     return delegate_->ShouldShowDialogTitle();
   return true;
 }
 
-bool HtmlDialogView::HandleContextMenu(const ContextMenuParams& params) {
+bool HtmlDialogView::HandleContextMenu(
+    const content::ContextMenuParams& params) {
   if (delegate_)
     return delegate_->HandleContextMenu(params);
   return HtmlDialogTabContentsDelegate::HandleContextMenu(params);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // content::WebContentsDelegate implementation:
 
 void HtmlDialogView::MoveContents(WebContents* source, const gfx::Rect& pos) {
   // The contained web page wishes to resize itself. We let it do this because
@@ skipping 92 matching lines @@
 }
 
 void HtmlDialogView::OnTabMainFrameFirstRender() {
 #if defined(OS_CHROMEOS) && defined(TOOLKIT_USES_GTK)
   if (initialized_) {
     views::NativeWidgetGtk::UpdateFreezeUpdatesProperty(
         GTK_WINDOW(GetWidget()->GetNativeView()), false);
   }
 #endif
 }