Unify the three places that patch font loading for PDFium on Windows.

chrome/chrome_child.gypi

Index: chrome/chrome_child.gypi
diff --git a/components/language_usage_metrics.gypi b/chrome/chrome_child.gypi
similarity index 53%
copy from components/language_usage_metrics.gypi
copy to chrome/chrome_child.gypi
index e150a1bba9e6673d38945da908c9edd17bea6fcc..6464a39177c64ad13a749213165e50411d73d455 100644
--- a/components/language_usage_metrics.gypi
+++ b/chrome/chrome_child.gypi
@@ -1,21 +1,23 @@
-# Copyright 2014 The Chromium Authors. All rights reserved.
+# Copyright 2015 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': 'language_usage_metrics',
+      'target_name': 'child',
       'type': 'static_library',
+      'variables': { 'enable_wexit_time_destructors': 1, },
       'dependencies': [
         '../base/base.gyp:base',
+        '../content/content.gyp:content_child',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
-        'language_usage_metrics/language_usage_metrics.cc',
-        'language_usage_metrics/language_usage_metrics.h',
+        'child/pdf_child_init.cc',
+        'child/pdf_child_init.h',
       ],
     },
   ],