Return a unique_ptr from BinaryValue::CreateWithCopiedBuffer.

content/common/android/gin_java_bridge_value.h

 // 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.
 
 #ifndef CONTENT_COMMON_ANDROID_GIN_JAVA_BRIDGE_VALUE_H_
 #define CONTENT_COMMON_ANDROID_GIN_JAVA_BRIDGE_VALUE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 40 matching lines @@
 
   CONTENT_EXPORT Type GetType() const;
   CONTENT_EXPORT bool IsType(Type type) const;
 
   CONTENT_EXPORT bool GetAsNonFinite(float* out_value) const;
   CONTENT_EXPORT bool GetAsObjectID(int32_t* out_object_id) const;
 
  private:
   explicit GinJavaBridgeValue(Type type);
   explicit GinJavaBridgeValue(const base::BinaryValue* value);
-  base::BinaryValue* SerializeToBinaryValue();
+  std::unique_ptr<base::BinaryValue> SerializeToBinaryValue();
 
   base::Pickle pickle_;
 
   DISALLOW_COPY_AND_ASSIGN(GinJavaBridgeValue);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_ANDROID_GIN_JAVA_BRIDGE_VALUE_H_