win: Enable PDF for metafile as default

build/common.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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 402 matching lines @@
       'enable_google_now%': 1,
 
       # Enable printing support and UI. This variable is used to configure
       # which parts of printing will be built. 0 disables printing completely,
       # 1 enables it fully, and 2 enables only the codepath to generate a
       # Metafile (e.g. usually a PDF or EMF) and disables print preview, cloud
       # print, UI, etc.
       'enable_printing%': 1,
 
       # Windows prints using a PDF as the metafile from the renderer.
-      'win_pdf_metafile_for_printing%': 0,
+      'win_pdf_metafile_for_printing%': 1,
 
       # Set the version of CLD.
       #   0: Don't specify the version. This option is for the Finch testing.
       #   1: Use only CLD1.
       #   2: Use only CLD2.
       'cld_version%': 2,
 
       # For CLD2, the size of the tables that should be included in the build
       # Only evaluated if cld_version == 2 or if building the CLD2 dynamic data
       # tool explicitly.
@@ skipping 2181 matching lines @@
       }],
       ['cld2_is_component!=0', {
         'defines': ['CLD2_IS_COMPONENT=1'],
       }],
       ['enable_printing==1', {
         'defines': ['ENABLE_FULL_PRINTING=1', 'ENABLE_PRINTING=1'],
       }],
       ['enable_printing==2', {
         'defines': ['ENABLE_PRINTING=1'],
       }],
-      ['win_pdf_metafile_for_printing==1', {
+      ['OS=="win" and win_pdf_metafile_for_printing==1', {
         'defines': ['WIN_PDF_METAFILE_FOR_PRINTING=1'],
       }],
       ['enable_spellcheck==1', {
         'defines': ['ENABLE_SPELLCHECK=1'],
       }],
       ['enable_captive_portal_detection==1', {
         'defines': ['ENABLE_CAPTIVE_PORTAL_DETECTION=1'],
       }],
       ['enable_app_list==1', {
         'defines': ['ENABLE_APP_LIST=1'],
@@ skipping 2685 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }