[DevTools] Fix V8 inspector export

third_party/WebKit/Source/platform/v8_inspector/String16STL.h

 // Copyright 2016 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.
 
 #ifndef String16STL_h
 #define String16STL_h
 
 #include <cctype>
+#include <climits>
 #include <cstdlib>
 #include <cstring>
 #include <stdint.h>
 #include <string>
 #include <vector>
 
 using UChar = uint16_t;
 
 namespace blink {
 namespace protocol {
@@ skipping 42 matching lines @@
         return hash_code;
     }
 
 private:
     std::basic_string<UChar> m_impl;
     mutable bool has_hash = false;
     mutable std::size_t hash_code = 0;
 };
 
 inline bool operator==(const String16& a, const String16& b) { return a.impl() == b.impl(); }
+inline bool operator<(const String16& a, const String16& b) { return a.impl() < b.impl(); }
 inline bool operator!=(const String16& a, const String16& b) { return a.impl() != b.impl(); }
 inline bool operator==(const String16& a, const char* b) { return a.impl() == String16(b).impl(); }
 inline String16 operator+(const String16& a, const char* b) { return String16(a.impl() + String16(b).impl()); }
 inline String16 operator+(const char* a, const String16& b) { return String16(String16(a).impl() + b.impl()); }
 inline String16 operator+(const String16& a, const String16& b) { return String16(a.impl() + b.impl()); }
 
 } // namespace protocol
 } // namespace blink
 
 #if !defined(__APPLE__) || defined(_LIBCPP_VERSION)
@@ skipping 12 matching lines @@
 
 class InspectorProtocolConvenienceStringType {
 public:
     // This class should not be ever instantiated, so we don't implement constructors.
     InspectorProtocolConvenienceStringType();
     InspectorProtocolConvenienceStringType(const blink::protocol::String16& other);
     operator blink::protocol::String16() const { return blink::protocol::String16(); };
 };
 
 #endif // !defined(String16STL_h)