Enable noexcept on Windows, use for a few move constructors.

base/values.h

 // Copyright (c) 2012 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.
 
 // This file specifies a recursive data storage class called Value intended for
 // storing settings and other persistable data.
 //
 // A Value represents something that can be stored in JSON or passed to/from
 // JavaScript. As such, it is NOT a generalized variant type, since only the
 // types supported by JavaScript/JSON are supported.
@@ skipping 56 matching lines @@
 
   // For situations where you want to keep ownership of your buffer, this
   // factory method creates a new BinaryValue by copying the contents of the
   // buffer that's passed in.
   // DEPRECATED, use MakeUnique<Value>(const std::vector<char>&) instead.
   // TODO(crbug.com/646113): Delete this and migrate callsites.
   static std::unique_ptr<BinaryValue> CreateWithCopiedBuffer(const char* buffer,
                                                              size_t size);
 
   Value(const Value& that);
-  Value(Value&& that);
+  Value(Value&& that) noexcept;
   Value();  // A null value.
   explicit Value(Type type);
   explicit Value(bool in_bool);
   explicit Value(int in_int);
   explicit Value(double in_double);
 
   // Value(const char*) and Value(const char16*) are required despite
   // Value(const std::string&) and Value(const string16&) because otherwise the
   // compiler will choose the Value(bool) constructor for these arguments.
   // Value(std::string&&) allow for efficient move construction.
@@ skipping 425 matching lines @@
   return out << static_cast<const Value&>(value);
 }
 
 // Stream operator so that enum class Types can be used in log statements.
 BASE_EXPORT std::ostream& operator<<(std::ostream& out,
                                      const Value::Type& type);
 
 }  // namespace base
 
 #endif  // BASE_VALUES_H_