Switch from WebDocument::insertStyleText to ::insertUserStyleSheet for programatic CSS injection.

content/renderer/render_view.h

 // Copyright (c) 2011 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 CONTENT_RENDERER_RENDER_VIEW_H_
 #define CONTENT_RENDERER_RENDER_VIEW_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 724 matching lines @@
 #endif
   void OnContextMenuClosed(
       const webkit_glue::CustomContextMenuContext& custom_context);
   void OnCopy();
   void OnCopyImageAt(int x, int y);
 #if defined(OS_MACOSX)
   void OnCopyToFindPboard();
 #endif
   void OnCut();
   void OnCSSInsertRequest(const std::wstring& frame_xpath,
-                          const std::string& css,
-                          const std::string& id);
+                          const std::string& css);
   void OnCustomContextMenuAction(
       const webkit_glue::CustomContextMenuContext& custom_context,
       unsigned action);
   void OnDelete();
   void OnDeterminePageLanguage();
   void OnDisableScrollbarsForSmallWindows(
       const gfx::Size& disable_scrollbars_size_limit);
   void OnDisassociateFromPopupCount();
   void OnDragSourceEndedOrMoved(const gfx::Point& client_point,
                                 const gfx::Point& screen_point,
@@ skipping 416 matching lines @@
   // bunch of stuff, you should probably create a helper class and put your
   // data and methods on that to avoid bloating RenderView more.  You can use
   // the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_H_