Re-land r93365 - add RefCountedString

base/memory/ref_counted_memory.cc

 // Copyright (c) 2011 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/memory/ref_counted_memory.h"
 
+#include <stdlib.h>
+
+#include "base/logging.h"
+
 RefCountedMemory::RefCountedMemory() {
 }
 
 RefCountedMemory::~RefCountedMemory() {
 }
 
 const unsigned char* RefCountedStaticMemory::front() const {
   return data_;
 }
 
 size_t RefCountedStaticMemory::size() const {
   return length_;
 }
 
 RefCountedBytes::RefCountedBytes() {
 }
 
 RefCountedBytes::RefCountedBytes(const std::vector<unsigned char>& initializer)
-    : data(initializer) {
+    : data_(initializer) {
 }
 
 RefCountedBytes* RefCountedBytes::TakeVector(
     std::vector<unsigned char>* to_destroy) {
   RefCountedBytes* bytes = new RefCountedBytes;
-  bytes->data.swap(*to_destroy);
+  bytes->data_.swap(*to_destroy);
   return bytes;
 }
 
 const unsigned char* RefCountedBytes::front() const {
   // STL will assert if we do front() on an empty vector, but calling code
   // expects a NULL.
-  return size() ? &data.front() : NULL;
+  return size() ? &data_.front() : NULL;
 }
 
 size_t RefCountedBytes::size() const {
-  return data.size();
+  return data_.size();
 }
 
 RefCountedBytes::~RefCountedBytes() {
 }
+
+namespace base {
+
+RefCountedString::RefCountedString() {}
+
+RefCountedString::~RefCountedString() {}
+
+// static
+RefCountedString* RefCountedString::TakeString(std::string* to_destroy) {
+  RefCountedString* self = new RefCountedString;
+  to_destroy->swap(self->data_);
+  return self;
+}
+
+const unsigned char* RefCountedString::front() const {
+  return data_.empty() ? NULL :
+         reinterpret_cast<const unsigned char*>(data_.data());
+}
+
+size_t RefCountedString::size() const {
+  return data_.size();
+}
+
+} //  namespace base