[DevTools] Generate separate copies of inspector_protocol.

third_party/WebKit/Source/core/inspector/ProtocolString.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 ProtocolString_h
+#define ProtocolString_h
+
+#include "platform/Decimal.h"
+#include "wtf/Allocator.h"
+#include "wtf/text/StringBuilder.h"
+#include "wtf/text/StringHash.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+namespace protocol {
+
+using String = WTF::String;
+using StringBuilder = WTF::StringBuilder;
+
+class CORE_EXPORT StringUtil {
+    STATIC_ONLY(StringUtil);
+public:
+    static String substring(const String& s, unsigned pos, unsigned len = UINT_MAX) { return s.substring(pos, len); }
+    static String fromInteger(int number) { return String::number(number); }
+    static String fromDouble(double number) { return Decimal::fromDouble(number).toString(); }
+    static const size_t kNotFound = WTF::kNotFound;
+    static void toCharacters(const String& s, const UChar** characters, size_t* length)
+    {
+        if (s.isEmpty()) {
+            *characters = nullptr;
+            *length = 0;
+            return;
+        }
+        if (s.is8Bit()) {
+            String s16 = s;
+            s16.ensure16Bit();
+            *characters = s16.characters16();
+            *length = s16.length();
+        } else {
+            *characters = s.characters16();
+            *length = s.length();
+        }
+    }
+    static void builderReserve(StringBuilder& builder, unsigned capacity) { builder.reserveCapacity(capacity); }
+};
+
+} // namespace protocol
+} // namespace blink
+
+namespace std {
+template<> struct hash<WTF::String> {
+    std::size_t operator()(const WTF::String& string) const
+    {
+        return StringHash::hash(string);
+    }
+};
+} // namespace std
+
+#endif // !defined(ProtocolString_h)