Move dmg_fp in scons build to compile from

third_party/dmg_fp/dmg_fp.scons

Index: third_party/dmg_fp/dmg_fp.scons
diff --git a/third_party/dmg_fp/dmg_fp.scons b/third_party/dmg_fp/dmg_fp.scons
deleted file mode 100644
index 8ac9cba7a11f1775f3ac9371bbcdec930e21e756..0000000000000000000000000000000000000000
--- a/third_party/dmg_fp/dmg_fp.scons
+++ /dev/null
@@ -1,51 +0,0 @@
-# Copyright (c) 2008 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('env')
-
-env = env.Clone()
-
-# Do *NOT* define USE_LOCALE here. We want these functions to be
-# locale-independent, for example to use in parsers or serializers.
-env.Append(
-    # TODO(sgk): Review this when we want to support more architectures.
-    CPPDEFINES = [
-        'IEEE_8087',
-    ],
-)
-
-if env['PLATFORM'] == 'win32':
-  env.Append(
-      CCFLAGS = [
-          '/TP',
-
-          '/wd4018',
-          '/wd4102',
-          '/wd4244',
-          '/wd4503',
-          '/wd4554',
-          '/wd4800',
-          '/wd4819',
-      ],
-  )
-
-if env['PLATFORM'] in ('darwin', 'posix'):
-  # As usual with third party code, it generates lots of warnings.
-  # Disable only what's necessary.
-  env.Append(
-      CCFLAGS = [
-          '-Wno-uninitialized',
-          '-Wno-parentheses',
-          '-Wno-sign-compare',
-          '-Wno-unused-label',
-          '-Wno-write-strings',
-      ]
-  )
-
-input_files = [
-    'dtoa.cc',
-    'g_fmt.cc',
-]
-
-env.ChromeStaticLibrary('dmg_fp', input_files)