Deprecate WEBKIT thread

content/public/browser/browser_thread.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_PUBLIC_BROWSER_BROWSER_THREAD_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_THREAD_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/callback.h"
@@ skipping 46 matching lines @@
   // thread outliving every other thread below it.
   enum ID {
     // The main thread in the browser.
     UI,
 
     // This is the thread that interacts with the database.
     DB,
 
     // This is the "main" thread for WebKit within the browser process when
     // NOT in --single-process mode.
-    WEBKIT,
+    // Deprecated: Do not design new code to use this thread; see
+    // http://crbug.com/106839
+    WEBKIT_DEPRECATED,
 
     // This is the thread that interacts with the file system.
     FILE,
 
     // Used for file system operations that block user interactions.
     // Responsiveness of this thread affect users.
     FILE_USER_BLOCKING,
 
     // Used to launch and terminate Chrome processes.
     PROCESS_LAUNCHER,
@@ skipping 152 matching lines @@
   // ...
   //  private:
   //   friend struct BrowserThread::DeleteOnThread<BrowserThread::IO>;
   //   friend class DeleteTask<Foo>;
   //
   //   ~Foo();
   struct DeleteOnUIThread : public DeleteOnThread<UI> { };
   struct DeleteOnIOThread : public DeleteOnThread<IO> { };
   struct DeleteOnFileThread : public DeleteOnThread<FILE> { };
   struct DeleteOnDBThread : public DeleteOnThread<DB> { };
-  struct DeleteOnWebKitThread : public DeleteOnThread<WEBKIT> { };
+  struct DeleteOnWebKitThread : public DeleteOnThread<WEBKIT_DEPRECATED> { };
 
  private:
   friend class BrowserThreadImpl;
 
   BrowserThread() {}
   DISALLOW_COPY_AND_ASSIGN(BrowserThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_THREAD_H_