old_contents: {
    'targets': [
      {
        'target_name': 'chromium_content',
        'type': 'shared_library',
        'dependencies': [
          'vendor/chromium/src/content/content.gyp:content',
        ], 
        'xcode_settings': {
          'OTHER_LDFLAGS': [
            '-all_load',
          ],
        },
      },
    ],
  }
  
new_contents: {
    'targets': [
      {
        'target_name': 'chromium_content',
        'type': 'shared_library',
        'dependencies': [
          'vendor/chromium/src/content/content.gyp:content',
        ], 
        'xcode_settings': {
          'OTHER_LDFLAGS': [
            '-all_load',
          ],
          'LD_DYLIB_INSTALL_NAME': '@rpath/libchromium_content.dylib',
        },
      },
    ],
  }
  
subject: Use an @rpath-based install name for libchromium_content.dylib