Implement invalidation tracking in devtools

Source/platform/TracedValue.cpp

 // Copyright 2014 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 "config.h"
 
 #include "platform/TracedValue.h"
 
 #include "platform/JSONValues.h"
 
@@ skipping 39 matching lines @@
 void TracedValue::setBoolean(const char* name, bool value)
 {
     currentDictionary()->setBoolean(name, value);
 }
 
 void TracedValue::setString(const char* name, const String& value)
 {
     currentDictionary()->setString(name, threadSafeCopy(value));
 }
 
+void TracedValue::setArray(const char* name, PassRefPtr<JSONArray> value)
+{
+    currentDictionary()->setArray(name, value);
+}
+
 void TracedValue::beginDictionary(const char* name)
 {
     RefPtr<JSONObject> dictionary = JSONObject::create();
     currentDictionary()->setObject(name, dictionary);
     m_stack.append(dictionary);
 }
 
 void TracedValue::beginArray(const char* name)
 {
     RefPtr<JSONArray> array = JSONArray::create();
@@ skipping 63 matching lines @@
 }
 
 JSONArray* TracedValue::currentArray() const
 {
     ASSERT(!m_stack.isEmpty());
     ASSERT(m_stack.last()->type() == JSONValue::TypeArray);
     return static_cast<JSONArray*>(m_stack.last().get());
 }
 
 }