Fix gn gn --check complaints about fxcrt.

third_party/BUILD.gn

 # Copyright 2014 PDFium 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/arm.gni")
 import("//build_overrides/build.gni")
 import("../pdfium.gni")
 
 group("third_party") {
   deps = [
@@ skipping 116 matching lines @@
       "agg23/agg_path_storage.cpp",
       "agg23/agg_path_storage.h",
       "agg23/agg_rasterizer_scanline_aa.cpp",
       "agg23/agg_rasterizer_scanline_aa.h",
       "agg23/agg_renderer_scanline.h",
       "agg23/agg_rendering_buffer.h",
       "agg23/agg_scanline_u.h",
       "agg23/agg_vcgen_dash.cpp",
       "agg23/agg_vcgen_stroke.cpp",
     ]
+    deps = [
+      "//:fxcrt",
+    ]
   }
 }
 
 config("fx_lcms2_warnings") {
   visibility = [ ":*" ]
   if (is_clang) {
     cflags = [
       # cmslut.cc is sloppy with aggregate initialization. Version 2.7 of this
       # library doesn't appear to have this problem.
       "-Wno-missing-braces",
@@ skipping 111 matching lines @@
     "libjpeg/jerror.h",
     "libjpeg/jinclude.h",
     "libjpeg/jmemsys.h",
     "libjpeg/jmorecfg.h",
     "libjpeg/jpegint.h",
     "libjpeg/jpeglib.h",
     "libjpeg/jversion.h",
     "libjpeg/makefile",
     "libjpeg/transupp.h",
   ]
+  deps = [
+    "//:fxcrt",
+  ]
 }
 
 config("fx_libopenjpeg_warnings") {
   visibility = [ ":*" ]
   if (is_win) {
     cflags = [
       # Signed/unsigned comparisons.
       "/wd4018",
     ]
   }
@@ skipping 192 matching lines @@
   sources = [
     "base/logging.h",
     "base/macros.h",
     "base/numerics/safe_conversions.h",
     "base/numerics/safe_conversions_impl.h",
     "base/numerics/safe_math.h",
     "base/numerics/safe_math_impl.h",
     "base/stl_util.h",
   ]
 }