Removed obsolete float_util.h as VS2013 supports standards well enough.

base/BUILD.gn

 # Copyright (c) 2013 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/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
@@ skipping 213 matching lines @@
     "files/important_file_writer.cc",
     "files/important_file_writer.h",
     "files/memory_mapped_file.cc",
     "files/memory_mapped_file.h",
     "files/memory_mapped_file_posix.cc",
     "files/memory_mapped_file_win.cc",
     "files/scoped_file.cc",
     "files/scoped_file.h",
     "files/scoped_temp_dir.cc",
     "files/scoped_temp_dir.h",
-    "float_util.h",
     "format_macros.h",
     "gtest_prod_util.h",
     "guid.cc",
     "guid.h",
     "guid_posix.cc",
     "guid_win.cc",
     "hash.cc",
     "hash.h",
     "id_map.h",
     "ios/device_util.h",
@@ skipping 1235 matching lines @@
 
   # GYP: //base.gyp:base_java_unittest_support
   android_library("base_java_unittest_support") {
     deps = [
       ":base_java",
     ]
     java_files =
         [ "test/android/java/src/org/chromium/base/ContentUriTestUtils.java" ]
   }
 }