Addressing C4267 for pdf.

pdf/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("//third_party/pdfium/pdfium.gni")
 
 assert(enable_pdf)
 
 pdf_engine = 0  # 0 PDFium
@@ skipping 21 matching lines @@
     "paint_aggregator.h",
     "paint_manager.cc",
     "paint_manager.h",
     "pdf.cc",
     "pdf.h",
     "pdf_engine.h",
     "preview_mode_client.cc",
     "preview_mode_client.h",
   ]
 
-  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
-
   if (pdf_engine == 0) {
     deps += [
       "//pdf/pdfium/fuzzers",
       "//third_party/pdfium",
     ]
 
     sources += [
       "pdfium/pdfium_api_string_buffer_adapter.cc",
       "pdfium/pdfium_api_string_buffer_adapter.h",
       "pdfium/pdfium_assert_matching_enums.cc",
       "pdfium/pdfium_engine.cc",
       "pdfium/pdfium_engine.h",
       "pdfium/pdfium_mem_buffer_file_read.cc",
       "pdfium/pdfium_mem_buffer_file_read.h",
       "pdfium/pdfium_mem_buffer_file_write.cc",
       "pdfium/pdfium_mem_buffer_file_write.h",
       "pdfium/pdfium_page.cc",
       "pdfium/pdfium_page.h",
       "pdfium/pdfium_range.cc",
       "pdfium/pdfium_range.h",
     ]
   }
 
   defines = [ "PDFIUM_PRINT_TEXT_WITH_GDI" ]
   if (pdf_enable_xfa) {
     defines += [ "PDF_ENABLE_XFA" ]
   }
 }