Set drive as the default download folder

chrome/chrome_browser.gypi

 # Copyright 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'none',
       'dependencies': [ 'browser_real', ],
@@ skipping 2723 matching lines @@
             'browser/media_galleries/fileapi/safe_itunes_pref_parser_win.cc',
             'browser/media_galleries/fileapi/safe_itunes_pref_parser_win.h',
             'browser/media_galleries/fileapi/safe_picasa_album_table_reader.cc',
             'browser/media_galleries/fileapi/safe_picasa_album_table_reader.h',
             'browser/media_galleries/fileapi/safe_picasa_albums_indexer.cc',
             'browser/media_galleries/fileapi/safe_picasa_albums_indexer.h',
           ],
         }],
         ['OS!="android" and OS!="ios" and chromeos==0 and configuration_policy==1', {
           'sources': [
+            'browser/net/disk_cache_dir_policy_handler.cc',
+            'browser/net/disk_cache_dir_policy_handler.h',
+          ],
+        }],
+        ['OS!="android" and OS!="ios" and configuration_policy==1', {
+          'sources': [
             'browser/download/download_dir_policy_handler.cc',
             'browser/download/download_dir_policy_handler.h',
-            'browser/net/disk_cache_dir_policy_handler.cc',
-            'browser/net/disk_cache_dir_policy_handler.h',
           ],
         }],
         ['OS=="mac"', {
           'dependencies': [
             'app_shim',
           ],
           'sources': [
             'browser/media_galleries/fileapi/iphoto_data_provider.cc',
             'browser/media_galleries/fileapi/iphoto_data_provider.h',
             'browser/media_galleries/fileapi/iphoto_file_util.cc',
@@ skipping 1073 matching lines @@
             'package_name': 'org/chromium/chrome/browser',
             'template_deps': ['browser/android/tab_load_status.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }