Move PathService's DIR_LAYOUT_TESTS from chrome to content

chrome/common/chrome_paths.h

 // 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.
 
 #ifndef CHROME_COMMON_CHROME_PATHS_H__
 #define CHROME_COMMON_CHROME_PATHS_H__
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 86 matching lines @@
                                 // binary data (e.g., html files and images
                                 // used by interal pages).
 #if defined(OS_CHROMEOS)
   FILE_CHROMEOS_API,            // Full path to chrome os api shared object.
 #endif
 
   // Valid only in development environment; TODO(darin): move these
   DIR_GEN_TEST_DATA,            // Directory where generated test data resides.
   DIR_TEST_DATA,                // Directory where unit test data resides.
   DIR_TEST_TOOLS,               // Directory where unit test tools reside.
-  DIR_LAYOUT_TESTS,             // Returns the LayoutTests path for layout
-                                // tests. For the current git workflow, it
-                                // returns
-                                //   third_party/WebKit/LayoutTests
-                                // On svn workflow (including build machines)
-                                // and older git workflow, it returns
-                                //   chrome/test/data/layout_tests/LayoutTests
-                                // See, http://crbug.com/105104.
 
   PATH_END
 };
 
 // Call once to register the provider for the path keys defined above.
 void RegisterPathProvider();
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_PATHS_H__