DevTools: migrate protocol values from RefPtr to OwnPtr.

third_party/WebKit/Source/platform/inspector_protocol/Parser.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/Parser.h"
 
 #include "platform/Decimal.h"
 #include "platform/inspector_protocol/Values.h"
 #include "wtf/text/StringBuilder.h"
 #include "wtf/text/UTF8.h"
@@ skipping 401 matching lines @@
     if (!decodeString(start, end, &buffer))
         return false;
     *output = buffer.toString();
     // Validate constructed utf16 string.
     if (output->utf8(StrictUTF8Conversion).isNull())
         return false;
     return true;
 }
 
 template<typename CharType>
-PassRefPtr<Value> buildValue(const CharType* start, const CharType* end, const CharType** valueTokenEnd, int depth)
+PassOwnPtr<Value> buildValue(const CharType* start, const CharType* end, const CharType** valueTokenEnd, int depth)
 {
     if (depth > stackLimit)
         return nullptr;
 
-    RefPtr<Value> result;
+    OwnPtr<Value> result;
     const CharType* tokenStart;
     const CharType* tokenEnd;
     Token token = parseToken(start, end, &tokenStart, &tokenEnd);
     switch (token) {
     case InvalidToken:
         return nullptr;
     case NullToken:
         result = Value::null();
         break;
     case BoolTrue:
@@ skipping 14 matching lines @@
     }
     case StringLiteral: {
         String value;
         bool ok = decodeString(tokenStart + 1, tokenEnd - 1, &value);
         if (!ok)
             return nullptr;
         result = StringValue::create(value);
         break;
     }
     case ArrayBegin: {
-        RefPtr<ListValue> array = ListValue::create();
+        OwnPtr<ListValue> array = ListValue::create();
         start = tokenEnd;
         token = parseToken(start, end, &tokenStart, &tokenEnd);
         while (token != ArrayEnd) {
-            RefPtr<Value> arrayNode = buildValue(start, end, &tokenEnd, depth + 1);
+            OwnPtr<Value> arrayNode = buildValue(start, end, &tokenEnd, depth + 1);
             if (!arrayNode)
                 return nullptr;
-            array->pushValue(arrayNode);
+            array->pushValue(arrayNode.release());
 
             // After a list value, we expect a comma or the end of the list.
             start = tokenEnd;
             token = parseToken(start, end, &tokenStart, &tokenEnd);
             if (token == ListSeparator) {
                 start = tokenEnd;
                 token = parseToken(start, end, &tokenStart, &tokenEnd);
                 if (token == ArrayEnd)
                     return nullptr;
             } else if (token != ArrayEnd) {
                 // Unexpected value after list value. Bail out.
                 return nullptr;
             }
         }
         if (token != ArrayEnd)
             return nullptr;
         result = array.release();
         break;
     }
     case ObjectBegin: {
-        RefPtr<DictionaryValue> object = DictionaryValue::create();
+        OwnPtr<DictionaryValue> object = DictionaryValue::create();
         start = tokenEnd;
         token = parseToken(start, end, &tokenStart, &tokenEnd);
         while (token != ObjectEnd) {
             if (token != StringLiteral)
                 return nullptr;
             String key;
             if (!decodeString(tokenStart + 1, tokenEnd - 1, &key))
                 return nullptr;
             start = tokenEnd;
 
             token = parseToken(start, end, &tokenStart, &tokenEnd);
             if (token != ObjectPairSeparator)
                 return nullptr;
             start = tokenEnd;
 
-            RefPtr<Value> value = buildValue(start, end, &tokenEnd, depth + 1);
+            OwnPtr<Value> value = buildValue(start, end, &tokenEnd, depth + 1);
             if (!value)
                 return nullptr;
-            object->setValue(key, value);
+            object->setValue(key, value.release());
             start = tokenEnd;
 
             // After a key/value pair, we expect a comma or the end of the
             // object.
             token = parseToken(start, end, &tokenStart, &tokenEnd);
             if (token == ListSeparator) {
                 start = tokenEnd;
                 token = parseToken(start, end, &tokenStart, &tokenEnd);
                 if (token == ObjectEnd)
                     return nullptr;
@@ skipping 11 matching lines @@
     default:
         // We got a token that's not a value.
         return nullptr;
     }
 
     skipWhitespaceAndComments(tokenEnd, end, valueTokenEnd);
     return result.release();
 }
 
 template<typename CharType>
-PassRefPtr<Value> parseJSONInternal(const CharType* start, unsigned length)
+PassOwnPtr<Value> parseJSONInternal(const CharType* start, unsigned length)
 {
     const CharType* end = start + length;
     const CharType *tokenEnd;
-    RefPtr<Value> value = buildValue(start, end, &tokenEnd, 0);
+    OwnPtr<Value> value = buildValue(start, end, &tokenEnd, 0);
     if (!value || tokenEnd != end)
         return nullptr;
     return value.release();
 }
 
 } // anonymous namespace
 
-PassRefPtr<Value> parseJSON(const String& json)
+PassOwnPtr<Value> parseJSON(const String& json)
 {
     if (json.isEmpty())
         return nullptr;
     if (json.is8Bit())
         return parseJSONInternal(json.characters8(), json.length());
     return parseJSONInternal(json.characters16(), json.length());
 }
 
 } // namespace protocol
 } // namespace blink