Remove references to an old gyp variable that's no longer supported.

chrome/chrome_dll_bundle.gypi

 # 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.
 
 # This file contains resources for the main Mac chromium bundle.
 {
   # The main browser executable's name is <(mac_product_name).
   # Certain things will get confused if two modules in the
   # executable share the same name, so append " Framework" to the
   # product_name used for the framework.  This will result in
@@ skipping 83 matching lines @@
       ],
       'outputs': [
         '<(INTERMEDIATE_DIR)/pdfsqueeze/<(RULE_INPUT_ROOT).pdf',
       ],
       'action': ['<(PRODUCT_DIR)/pdfsqueeze',
                  '<(RULE_INPUT_PATH)', '<@(_outputs)'],
       'message': 'Running pdfsqueeze on <(RULE_INPUT_PATH)',
     },
   ],
   'variables': {
-    'libpeer_target_type%': 'static_library',
     'theme_dir_name': '<(branding_path_component)',
   },
   'postbuilds': [
     {
       # Modify the Info.plist as needed.  The script explains why
       # this is needed.  This is also done in the chrome target.
       # The framework needs the Breakpad keys if this feature is
       # enabled.  It does not need the Keystone keys; these always
       # come from the outer application bundle.  The framework
       # doesn't currently use the SCM keys for anything,
@@ skipping 149 matching lines @@
           '${BUILT_PRODUCTS_DIR}/resources/inspector',
           '${BUILT_PRODUCTS_DIR}/${CONTENTS_FOLDER_PATH}/Resources',
         ],
       }],
     }],
     ['enable_hidpi==1', {
       'mac_bundle_resources': [
         '<(SHARED_INTERMEDIATE_DIR)/repack/chrome_200_percent.pak',
       ],
     }],
-    ['enable_webrtc==1 and libpeer_target_type!="static_library"', {
-      'copies': [{
-       'destination': '<(PRODUCT_DIR)/$(CONTENTS_FOLDER_PATH)/Libraries',
-       'files': [
-          '<(PRODUCT_DIR)/libpeerconnection.so',
-        ],
-      }],
-    }],
     ['icu_use_data_file_flag==1', {
       'mac_bundle_resources': [
         '<(PRODUCT_DIR)/icudtl.dat',
       ],
     }],
     ['v8_use_external_startup_data==1', {
       'mac_bundle_resources': [
         '<(PRODUCT_DIR)/natives_blob.bin',
         '<(PRODUCT_DIR)/snapshot_blob.bin',
       ],
     }],
   ],  # conditions
 }