Reland "Fix chromium-style errors."

BUILD.gn

 # Copyright 2016 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_overrides/v8.gni")
 import("//testing/test.gni")
 import("pdfium.gni")
 
 config("pdfium_config") {
   cflags = []
@@ skipping 475 matching lines @@
     "core/src/fxcrt/fx_bidi.cpp",
     "core/src/fxcrt/fx_extension.cpp",
     "core/src/fxcrt/fx_ucddata.cpp",
     "core/src/fxcrt/fx_unicode.cpp",
     "core/src/fxcrt/fx_xml_composer.cpp",
     "core/src/fxcrt/fx_xml_parser.cpp",
     "core/src/fxcrt/fxcrt_platforms.cpp",
     "core/src/fxcrt/fxcrt_platforms.h",
     "core/src/fxcrt/fxcrt_posix.cpp",
     "core/src/fxcrt/fxcrt_posix.h",
+    "core/src/fxcrt/fxcrt_stream.cpp",
     "core/src/fxcrt/fxcrt_windows.cpp",
     "core/src/fxcrt/fxcrt_windows.h",
     "core/src/fxcrt/plex.h",
     "core/src/fxcrt/xml_int.h",
   ]
   if (pdf_enable_xfa) {
     sources += [
       "core/include/fxcrt/fx_arb.h",
       "core/src/fxcrt/fx_arabic.cpp",
       "core/src/fxcrt/fx_arabic.h",
@@ skipping 987 matching lines @@
       "//v8:v8_libplatform",
     ]
     include_dirs += [
       "//v8",
       "//v8/include",
     ]
     configs += [ "//v8:external_startup_data" ]
   }
   configs += [ ":pdfium_config" ]
 }