pdf: Create a separate component for using the pdf pepper plugin.

chrome/renderer/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 import("//tools/grit/grit_rule.gni")
 
 gypi_values = exec_script(
     "//build/gypi_to_gn.py",
     [ rebase_path("../chrome_renderer.gypi") ],
@@ skipping 106 matching lines @@
         gypi_values.chrome_renderer_webrtc_extensions_sources, ".", "..")
   }
   if (enable_spellcheck) {
     sources += rebase_path(gypi_values.chrome_renderer_spellchecker_sources,
                            ".", "..")
     deps += [ "//third_party/hunspell" ]
   }
 
   if (printing_mode > 0) {
     deps += [ "//printing" ]
+    sources += rebase_path(gypi_values.chrome_renderer_printing_sources,
+                           ".", "..")
     if (printing_mode == 1) {
-      sources += rebase_path(gypi_values.chrome_renderer_printing_sources,
+      sources += rebase_path(gypi_values.chrome_renderer_full_printing_sources,
                              ".", "..")
     }
   }
 
   if (is_mac) {
     deps += [ "//third_party/mach_override" ]
   }
   if (is_win) {
     deps += [
       #'../chrome_elf/chrome_elf.gyp:chrome_elf',  TODO(GYP)
@@ skipping 16 matching lines @@
   #     ['win_pdf_metafile_for_printing==1', {
   #       'sources': [
   #         'renderer/printing/print_web_view_helper_pdf_win.cc',
   #       ],
   #     }, {
   #       'sources': [
   #         'renderer/printing/print_web_view_helper_win.cc',
   #       ],
   #     }],
 }