[DevTools] Generate separate copies of inspector_protocol.

third_party/WebKit/Source/core/inspector/V8InspectorString.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 V8InspectorString_h
 #define V8InspectorString_h
 
 #include "core/CoreExport.h"
+#include "platform/Decimal.h"
 #include "platform/v8_inspector/public/StringBuffer.h"
 #include "platform/v8_inspector/public/StringView.h"
+#include "wtf/Allocator.h"
+#include "wtf/text/StringBuilder.h"
+#include "wtf/text/StringHash.h"
 #include "wtf/text/StringView.h"
 #include "wtf/text/WTFString.h"
 
 #include <memory>
 
 namespace blink {
 
 // Note that passed string must outlive the resulting StringView. This implies it must not be a temporary object.
 CORE_EXPORT v8_inspector::StringView toV8InspectorStringView(const StringView&);
 CORE_EXPORT std::unique_ptr<v8_inspector::StringBuffer> toV8InspectorStringBuffer(const StringView&);
 CORE_EXPORT String toCoreString(const v8_inspector::StringView&);
 CORE_EXPORT String toCoreString(std::unique_ptr<v8_inspector::StringBuffer>);
 
+namespace protocol {
+
+class Value;
+
+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) { 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 builderReserve(StringBuilder& builder, unsigned capacity) { builder.reserveCapacity(capacity); }
+};
+
+CORE_EXPORT std::unique_ptr<protocol::Value> parseJSON(const String&);
+
+} // namespace protocol
+
 } // namespace blink
 
+// TODO(dgozman): migrate core/inspector/protocol to wtf::HashMap.
+namespace std {
+template<> struct hash<WTF::String> {
+    std::size_t operator()(const WTF::String& string) const
+    {
+        return StringHash::hash(string);
+    }
+};
+} // namespace std
+
 #endif // V8InspectorString_h