Fix create_include_gyp.py to support relative paths to include_js.gypi

ui/file_manager/externs/compiled_resources2.gyp

Index: ui/file_manager/externs/compiled_resources2.gyp
diff --git a/ui/file_manager/externs/compiled_resources2.gyp b/ui/file_manager/externs/compiled_resources2.gyp
index a20535101863771d9211c9d552bbe708fcd3f172..7c172dc7874fd4e3a8e5b57efe67406e92c17ba5 100644
--- a/ui/file_manager/externs/compiled_resources2.gyp
+++ b/ui/file_manager/externs/compiled_resources2.gyp
@@ -1,6 +1,11 @@
-# Copyright 2016 The Chromium Authors. All rights reserved.
+# Copyright 2017 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.
+
+########################################################
+#    NOTE: THIS FILE IS GENERATED. DO NOT EDIT IT!     #
+# Instead, run create_include_gyp.py to regenerate it. #
+########################################################
 {
   'targets': [
     {
@@ -16,7 +21,7 @@
       'includes': ['../../../third_party/closure_compiler/include_js.gypi'],
     },
     {
-      'target_name': 'byte_reader',
+      'target_name': 'background_window_common',
       'includes': ['../../../third_party/closure_compiler/include_js.gypi'],
     },
     {
@@ -104,10 +109,6 @@
       'includes': ['../../../third_party/closure_compiler/include_js.gypi'],
     },
     {
-      'target_name': 'metadata_parser_interface',
-      'includes': ['../../../third_party/closure_compiler/include_js.gypi'],
-    },
-    {
       'target_name': 'metadata_worker_window',
       'includes': ['../../../third_party/closure_compiler/include_js.gypi'],
     },
@@ -128,10 +129,6 @@
       'includes': ['../../../third_party/closure_compiler/include_js.gypi'],
     },
     {
-      'target_name': 'video_player_foreground',
-      'includes': ['../../../third_party/closure_compiler/include_js.gypi'],
-    },
-    {
       'target_name': 'volume_info',
       'includes': ['../../../third_party/closure_compiler/include_js.gypi'],
     },