BinaryValue does not support NULL buffer.

base/values.cc

 // Copyright (c) 2012 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/values.h"
 
 #include <algorithm>
 
 #include "base/float_util.h"
 #include "base/logging.h"
@@ skipping 280 matching lines @@
 
 bool StringValue::Equals(const Value* other) const {
   if (other->GetType() != GetType())
     return false;
   std::string lhs, rhs;
   return GetAsString(&lhs) && other->GetAsString(&rhs) && lhs == rhs;
 }
 
 ///////////////////// BinaryValue ////////////////////
 
-BinaryValue::~BinaryValue() {
-  DCHECK(buffer_);
-  if (buffer_)
-    delete[] buffer_;
+BinaryValue::BinaryValue()
+  : Value(TYPE_BINARY),

[brettw, 2012/05/18 23:20:31]

Indent these initializers 2 more spaces. Same for the other constructor.

+    buffer_(NULL),
+    size_(0) {
 }
 
-// static
-BinaryValue* BinaryValue::Create(char* buffer, size_t size) {
-  if (!buffer)
-    return NULL;
-
-  return new BinaryValue(buffer, size);
+BinaryValue::BinaryValue(scoped_ptr<char> buffer, size_t size)
+  : Value(TYPE_BINARY),
+    buffer_(buffer.release()),
+    size_(size) {
 }
 
 // static
 BinaryValue* BinaryValue::CreateWithCopiedBuffer(const char* buffer,
                                                  size_t size) {
-  if (!buffer)
-    return NULL;
-
   char* buffer_copy = new char[size];
   memcpy(buffer_copy, buffer, size);
-  return new BinaryValue(buffer_copy, size);
+  scoped_ptr<char> scoped_buffer_copy(buffer_copy);
+  return new BinaryValue(scoped_buffer_copy.Pass(), size);
 }
 
 BinaryValue* BinaryValue::DeepCopy() const {
-  return CreateWithCopiedBuffer(buffer_, size_);
+  return CreateWithCopiedBuffer(buffer_.get(), size_);
 }
 
 bool BinaryValue::Equals(const Value* other) const {
   if (other->GetType() != GetType())
     return false;
   const BinaryValue* other_binary = static_cast<const BinaryValue*>(other);
   if (other_binary->size_ != size_)
     return false;
-  return !memcmp(buffer_, other_binary->buffer_, size_);
-}
-
-BinaryValue::BinaryValue(char* buffer, size_t size)
-  : Value(TYPE_BINARY),
-    buffer_(buffer),
-    size_(size) {
-  DCHECK(buffer_);
+  return !memcmp(GetBuffer(), other_binary->GetBuffer(), size_);
 }
 
 ///////////////////// DictionaryValue ////////////////////
 
 DictionaryValue::DictionaryValue()
     : Value(TYPE_DICTIONARY) {
 }
 
 DictionaryValue::~DictionaryValue() {
   Clear();
@@ skipping 599 matching lines @@
   if (lhs_it != end() || rhs_it != other_list->end())
     return false;
 
   return true;
 }
 
 ValueSerializer::~ValueSerializer() {
 }
 
 }  // namespace base