Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/src/google/protobuf/io/strtod.cc

Index: third_party/protobuf/src/google/protobuf/io/strtod.cc
diff --git a/third_party/protobuf/src/google/protobuf/io/strtod.cc b/third_party/protobuf/src/google/protobuf/io/strtod.cc
deleted file mode 100644
index 56973439d953e6593b7991fc6ee96fce8d18372f..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/io/strtod.cc
+++ /dev/null
@@ -1,113 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include <google/protobuf/io/strtod.h>
-
-#include <cstdio>
-#include <cstring>
-#include <string>
-
-#include <google/protobuf/stubs/common.h>
-
-namespace google {
-namespace protobuf {
-namespace io {
-
-// ----------------------------------------------------------------------
-// NoLocaleStrtod()
-//   This code will make you cry.
-// ----------------------------------------------------------------------
-
-namespace {
-
-// Returns a string identical to *input except that the character pointed to
-// by radix_pos (which should be '.') is replaced with the locale-specific
-// radix character.
-string LocalizeRadix(const char* input, const char* radix_pos) {
-  // Determine the locale-specific radix character by calling sprintf() to
-  // print the number 1.5, then stripping off the digits.  As far as I can
-  // tell, this is the only portable, thread-safe way to get the C library
-  // to divuldge the locale's radix character.  No, localeconv() is NOT
-  // thread-safe.
-  char temp[16];
-  int size = sprintf(temp, "%.1f", 1.5);
-  GOOGLE_CHECK_EQ(temp[0], '1');
-  GOOGLE_CHECK_EQ(temp[size-1], '5');
-  GOOGLE_CHECK_LE(size, 6);
-
-  // Now replace the '.' in the input with it.
-  string result;
-  result.reserve(strlen(input) + size - 3);
-  result.append(input, radix_pos);
-  result.append(temp + 1, size - 2);
-  result.append(radix_pos + 1);
-  return result;
-}
-
-}  // namespace
-
-double NoLocaleStrtod(const char* text, char** original_endptr) {
-  // We cannot simply set the locale to "C" temporarily with setlocale()
-  // as this is not thread-safe.  Instead, we try to parse in the current
-  // locale first.  If parsing stops at a '.' character, then this is a
-  // pretty good hint that we're actually in some other locale in which
-  // '.' is not the radix character.
-
-  char* temp_endptr;
-  double result = strtod(text, &temp_endptr);
-  if (original_endptr != NULL) *original_endptr = temp_endptr;
-  if (*temp_endptr != '.') return result;
-
-  // Parsing halted on a '.'.  Perhaps we're in a different locale?  Let's
-  // try to replace the '.' with a locale-specific radix character and
-  // try again.
-  string localized = LocalizeRadix(text, temp_endptr);
-  const char* localized_cstr = localized.c_str();
-  char* localized_endptr;
-  result = strtod(localized_cstr, &localized_endptr);
-  if ((localized_endptr - localized_cstr) >
-      (temp_endptr - text)) {
-    // This attempt got further, so replacing the decimal must have helped.
-    // Update original_endptr to point at the right location.
-    if (original_endptr != NULL) {
-      // size_diff is non-zero if the localized radix has multiple bytes.
-      int size_diff = localized.size() - strlen(text);
-      // const_cast is necessary to match the strtod() interface.
-      *original_endptr = const_cast<char*>(
-        text + (localized_endptr - localized_cstr - size_diff));
-    }
-  }
-
-  return result;
-}
-
-}  // namespace io
-}  // namespace protobuf
-}  // namespace google