Revert of Add builders for tracing event's structural arguments

base/debug/trace_event_argument.cc

Index: base/debug/trace_event_argument.cc
diff --git a/base/debug/trace_event_argument.cc b/base/debug/trace_event_argument.cc
deleted file mode 100644
index a75f10017d1358446bdf4110792e991d056d306b..0000000000000000000000000000000000000000
--- a/base/debug/trace_event_argument.cc
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright (c) 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 "base/debug/trace_event_argument.h"
-
-#include "base/json/json_writer.h"
-#include "base/values.h"
-
-namespace base {
-namespace debug {
-
-TracedValue::TracedValue() {
-  stack_.push_back(new DictionaryValue());
-}
-
-TracedValue::~TracedValue() {
-  DCHECK_EQ(1u, stack_.size());
-}
-
-void TracedValue::SetInteger(const char* name, int value) {
-  GetCurrentDictionary()->SetInteger(name, value);
-}
-
-void TracedValue::SetDouble(const char* name, double value) {
-  GetCurrentDictionary()->SetDouble(name, value);
-}
-
-void TracedValue::SetBoolean(const char* name, bool value) {
-  GetCurrentDictionary()->SetBoolean(name, value);
-}
-
-void TracedValue::SetString(const char* name, const std::string& value) {
-  GetCurrentDictionary()->SetString(name, value);
-}
-
-void TracedValue::SetValue(const char* name, Value* value) {
-  GetCurrentDictionary()->Set(name, value);
-}
-
-void TracedValue::BeginDictionary(const char* name) {
-  DictionaryValue* dictionary = new DictionaryValue();
-  GetCurrentDictionary()->Set(name, dictionary);
-  stack_.push_back(dictionary);
-}
-
-void TracedValue::BeginArray(const char* name) {
-  ListValue* array = new ListValue();
-  GetCurrentDictionary()->Set(name, array);
-  stack_.push_back(array);
-}
-
-void TracedValue::EndDictionary() {
-  DCHECK_GT(stack_.size(), 1u);
-  DCHECK(GetCurrentDictionary());
-  stack_.pop_back();
-}
-
-void TracedValue::AppendInteger(int value) {
-  GetCurrentArray()->AppendInteger(value);
-}
-
-void TracedValue::AppendDouble(double value) {
-  GetCurrentArray()->AppendDouble(value);
-}
-
-void TracedValue::AppendBoolean(bool value) {
-  GetCurrentArray()->AppendBoolean(value);
-}
-
-void TracedValue::AppendString(const std::string& value) {
-  GetCurrentArray()->AppendString(value);
-}
-
-void TracedValue::BeginArray() {
-  ListValue* array = new ListValue();
-  GetCurrentArray()->Append(array);
-  stack_.push_back(array);
-}
-
-void TracedValue::BeginDictionary() {
-  DictionaryValue* dictionary = new DictionaryValue();
-  GetCurrentArray()->Append(dictionary);
-  stack_.push_back(dictionary);
-}
-
-void TracedValue::EndArray() {
-  DCHECK_GT(stack_.size(), 1u);
-  DCHECK(GetCurrentArray());
-  stack_.pop_back();
-}
-
-DictionaryValue* TracedValue::GetCurrentDictionary() {
-  DCHECK(!stack_.empty());
-  DictionaryValue* dictionary = NULL;
-  stack_.back()->GetAsDictionary(&dictionary);
-  DCHECK(dictionary);
-  return dictionary;
-}
-
-ListValue* TracedValue::GetCurrentArray() {
-  DCHECK(!stack_.empty());
-  ListValue* list = NULL;
-  stack_.back()->GetAsList(&list);
-  DCHECK(list);
-  return list;
-}
-
-void TracedValue::AppendAsTraceFormat(std::string* out) const {
-  std::string tmp;
-  JSONWriter::Write(stack_.front(), &tmp);
-  *out += tmp;
-  DCHECK_EQ(1u, stack_.size()) << tmp;
-}
-
-}  // namespace debug
-}  // namespace base