Build browser/sync files by default using a stubbed-out syncapi...

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,
     # Define the common dependencies that contain all the actual
     # Chromium functionality.  This list gets pulled in below by
     # the link of the actual chrome (or chromium) executable on
@@ skipping 2207 matching lines @@
             'browser/views/tabs/tab_overview_message_listener.h',
             'browser/views/tabs/tab_overview_types.cc',
             'browser/views/tabs/tab_overview_types.h',
           ],
           'configurations': {
             'Debug': {
               'msvs_precompiled_header': 'tools/build/win/precompiled_wtl.h',
               'msvs_precompiled_source': 'tools/build/win/precompiled_wtl.cc',
             },
           },
+          'conditions': [
+            ['use_syncapi_stub==1', {
+              'sources': [
+                'browser/sync/engine/syncapi_stub.cc',
+              ],
+            }]  # use_syncapi_stub==1
+          ],
         }, {  # 'OS!="win"
           'sources/': [
             # Exclude all of hang_monitor.
             ['exclude', '^browser/hang_monitor/'],
 
             # Exclude parts of password_manager.
             ['exclude', '^browser/password_manager/ie7_password\\.cc$'],
 
             # Exclude most of printing.
             ['exclude', '^browser/printing/'],
@@ skipping 2678 matching lines @@
              'test/automation/tab_proxy.cc',
              'test/automation/tab_proxy.h',
              'test/automation/window_proxy.cc',
              'test/automation/window_proxy.h',
           ],
         },
         {
           # Windows-only for now; this has issues with scons
           # regarding use of run_all_unittests.cc.
           # TODO(zork): add target to linux build.
-          'target_name': 'live_sync_tests',
+          'target_name': 'sync_integration_tests',
           'type': 'executable',
             'dependencies': [
               'browser',
               'chrome',
               'chrome_resources',
               'common',
               'debugger',
               'renderer',
               'chrome_resources',
               'chrome_strings',
@@ skipping 462 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'
 }