[DevTools] Unify toValue and FromValue into ValueConversions.

third_party/WebKit/Source/platform/inspector_protocol/ValueConversions.cpp

-// 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.
-
-#include "platform/inspector_protocol/ValueConversions.h"
-
-namespace blink {
-namespace protocol {
-
-std::unique_ptr<protocol::Value> toValue(int value)
-{
-    return FundamentalValue::create(value);
-}
-
-std::unique_ptr<protocol::Value> toValue(double value)
-{
-    return FundamentalValue::create(value);
-}
-
-std::unique_ptr<protocol::Value> toValue(bool value)
-{
-    return FundamentalValue::create(value);
-}
-
-std::unique_ptr<protocol::Value> toValue(const String16& param)
-{
-    return StringValue::create(param);
-}
-
-std::unique_ptr<protocol::Value> toValue(const String& param)
-{
-    return StringValue::create(param);
-}
-
-std::unique_ptr<protocol::Value> toValue(Value* param)
-{
-    return param->clone();
-}
-
-std::unique_ptr<protocol::Value> toValue(DictionaryValue* param)
-{
-    return param->clone();
-}
-
-std::unique_ptr<protocol::Value> toValue(ListValue* param)
-{
-    return param->clone();
-}
-
-} // namespace protocol
-} // namespace blink