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

content/browser/tab_contents/tab_contents_view_android.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 "content/browser/tab_contents/tab_contents_view_android.h"
 
 #include "base/logging.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/render_widget_host.h"
 
@@ skipping 129 matching lines @@
 
 void TabContentsViewAndroid::ShowCreatedWidget(
     int route_id, const gfx::Rect& initial_pos) {
   NOTIMPLEMENTED();
 }
 
 void TabContentsViewAndroid::ShowCreatedFullscreenWidget(int route_id) {
   NOTIMPLEMENTED();
 }
 
-void TabContentsViewAndroid::ShowContextMenu(const ContextMenuParams& params) {
+void TabContentsViewAndroid::ShowContextMenu(
+    const content::ContextMenuParams& params) {
   NOTIMPLEMENTED();
 }
 
 void TabContentsViewAndroid::ShowPopupMenu(
     const gfx::Rect& bounds,
     int item_height,
     double item_font_size,
     int selected_item,
     const std::vector<WebMenuItem>& items,
     bool right_aligned) {
@@ skipping 12 matching lines @@
   NOTIMPLEMENTED();
 }
 
 void TabContentsViewAndroid::GotFocus() {
   NOTIMPLEMENTED();
 }
 
 void TabContentsViewAndroid::TakeFocus(bool reverse) {
   NOTIMPLEMENTED();
 }