Apply gn format with 'sources' sorting to src/

third_party/ots/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.
 
 config("ots_config") {
   include_dirs = [ "include" ]
 }
 
 source_set("ots") {
   sources = [
+    "include/opentype-sanitiser.h",
     "include/ots-memory-stream.h",
-    "include/opentype-sanitiser.h",
     "src/cff.cc",
     "src/cff.h",
     "src/cff_type2_charstring.cc",
     "src/cff_type2_charstring.h",
     "src/cmap.cc",
     "src/cmap.h",
     "src/cvt.cc",
     "src/cvt.h",
     "src/fpgm.cc",
     "src/fpgm.h",
@@ skipping 16 matching lines @@
     "src/hmtx.cc",
     "src/hmtx.h",
     "src/kern.cc",
     "src/kern.h",
     "src/layout.cc",
     "src/layout.h",
     "src/loca.cc",
     "src/loca.h",
     "src/ltsh.cc",
     "src/ltsh.h",
+    "src/math.cc",
+    "src/math_.h",
     "src/maxp.cc",
     "src/maxp.h",
-    "src/math.cc",
-    "src/math_.h",
     "src/metrics.cc",
     "src/metrics.h",
     "src/name.cc",
     "src/name.h",
     "src/os2.cc",
     "src/os2.h",
     "src/ots.cc",
     "src/ots.h",
     "src/post.cc",
     "src/post.h",
@@ skipping 18 matching lines @@
     "//third_party/zlib",
   ]
 
   if (is_win) {
     cflags = [
       "/wd4267",  # Conversion from size_t to 'type'.
       "/wd4334",  # 32-bit shift implicitly converted to 64-bits.
     ]
   }
 }