Reland this change. Registers paths for the testing exe, too....

chrome/chrome.gyp

 # Copyright (c) 2009 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # Mac NOTE: at the start of the conditions block we default some vars
     # that control features based on the branding, this way each place that
     # needs to know about the feature isn't hard coded to the branding type.
@@ skipping 156 matching lines @@
         '../third_party/icu38/icu38.gyp:icuuc',
       ],
       'include_dirs': [
         '..',
         'third_party/wtl/include',
       ],
       'sources': [
         # All .cc, .h, and .mm files under app/ except for tests.
         '../app/animation.cc',
         '../app/animation.h',
+        '../app/app_paths.h',
+        '../app/app_paths.cc',
         '../app/app_switches.h',
         '../app/app_switches.cc',
         '../app/drag_drop_types.cc',
         '../app/drag_drop_types.h',
         '../app/gfx/canvas.cc',
         '../app/gfx/canvas.h',
         '../app/gfx/canvas_linux.cc',
         '../app/gfx/canvas_win.cc',
         '../app/gfx/font.h',
         '../app/gfx/font_gtk.cc',
@@ skipping 3408 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],
   ],  # 'conditions'
 }