Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/base/serializers.h

Index: chromecast/base/serializers.h
diff --git a/chromecast/base/serializers.h b/chromecast/base/serializers.h
index 06c79b760672add766c76e99ed337b10d28a16b5..df648feed65f7b071acef40dcbfb6acec452e7e2 100644
--- a/chromecast/base/serializers.h
+++ b/chromecast/base/serializers.h
@@ -5,9 +5,9 @@
 #ifndef CHROMECAST_BASE_SERIALIZERS_H_
 #define CHROMECAST_BASE_SERIALIZERS_H_
 
+#include <memory>
 #include <string>
 
-#include "base/memory/scoped_ptr.h"
 
 namespace base {
 class Value;
@@ -19,16 +19,17 @@ namespace chromecast {
 // Helper function which deserializes JSON |text| into a base::Value. If |text|
 // is empty, is not valid JSON, or if some other deserialization error occurs,
 // the return value will hold the NULL pointer.
-scoped_ptr<base::Value> DeserializeFromJson(const std::string& text);
+std::unique_ptr<base::Value> DeserializeFromJson(const std::string& text);
 
 // Helper function which serializes |value| into a JSON string. If a
 // serialization error occurs,the return value will hold the NULL pointer.
-scoped_ptr<std::string> SerializeToJson(const base::Value& value);
+std::unique_ptr<std::string> SerializeToJson(const base::Value& value);
 
 // Helper function which deserializes JSON file at |path| into a base::Value.
 // If file in |path| is empty, is not valid JSON, or if some other
 // deserialization error occurs, the return value will hold the NULL pointer.
-scoped_ptr<base::Value> DeserializeJsonFromFile(const base::FilePath& path);
+std::unique_ptr<base::Value> DeserializeJsonFromFile(
+    const base::FilePath& path);
 
 // Helper function which serializes |value| into the file at |path|. The
 // function returns true on success, false otherwise.