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

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

Index: third_party/protobuf/src/google/protobuf/io/strtod.h
diff --git a/third_party/protobuf/src/google/protobuf/io/strtod.h b/third_party/protobuf/src/google/protobuf/io/strtod.h
deleted file mode 100644
index c2efc8d3e41d5dc2e59076d222f396eb6e571f0f..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/io/strtod.h
+++ /dev/null
@@ -1,50 +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.
-
-// A locale-independent version of strtod(), used to parse floating
-// point default values in .proto files, where the decimal separator
-// is always a dot.
-
-#ifndef GOOGLE_PROTOBUF_IO_STRTOD_H__
-#define GOOGLE_PROTOBUF_IO_STRTOD_H__
-
-namespace google {
-namespace protobuf {
-namespace io {
-
-// A locale-independent version of the standard strtod(), which always
-// uses a dot as the decimal separator.
-double NoLocaleStrtod(const char* str, char** endptr);
-
-}  // namespace io
-}  // namespace protobuf
-
-}  // namespace google
-#endif  // GOOGLE_PROTOBUF_IO_STRTOD_H__