Reland: Stop passing raw pointers to base::Value API in c/b/chromeos and c/b/extensions

chrome/browser/devtools/devtools_protocol.cc

Index: chrome/browser/devtools/devtools_protocol.cc
diff --git a/chrome/browser/devtools/devtools_protocol.cc b/chrome/browser/devtools/devtools_protocol.cc
index 8581d8b6279fd050ad9be9801d33dbe60bfb9ee1..b58184e9de7a6475814de4c8c1936de2a552fafe 100644
--- a/chrome/browser/devtools/devtools_protocol.cc
+++ b/chrome/browser/devtools/devtools_protocol.cc
@@ -4,8 +4,11 @@
 
 #include "chrome/browser/devtools/devtools_protocol.h"
 
+#include <utility>
+
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 
 namespace {
@@ -32,7 +35,7 @@ std::string DevToolsProtocol::SerializeCommand(
   command.SetInteger(kIdParam, command_id);
   command.SetString(kMethodParam, method);
   if (params)
-    command.Set(kParamsParam, params.release());
+    command.Set(kParamsParam, std::move(params));
 
   std::string json_command;
   base::JSONWriter::Write(command, &json_command);
@@ -45,11 +48,11 @@ DevToolsProtocol::CreateInvalidParamsResponse(int command_id,
                                               const std::string& param) {
   std::unique_ptr<base::DictionaryValue> response(new base::DictionaryValue());
   response->SetInteger(kIdParam, command_id);
-  base::DictionaryValue* error_object = new base::DictionaryValue();
-  response->Set(kErrorParam, error_object);
+  auto error_object = base::MakeUnique<base::DictionaryValue>();
   error_object->SetInteger(kErrorCodeParam, kErrorInvalidParams);
   error_object->SetString(kErrorMessageParam,
       base::StringPrintf("Missing or invalid '%s' parameter", param.c_str()));
+  response->Set(kErrorParam, std::move(error_object));
 
   return response;
 }
@@ -73,8 +76,9 @@ std::unique_ptr<base::DictionaryValue> DevToolsProtocol::CreateSuccessResponse(
     std::unique_ptr<base::DictionaryValue> result) {
   std::unique_ptr<base::DictionaryValue> response(new base::DictionaryValue());
   response->SetInteger(kIdParam, command_id);
-  response->Set(kResultParam,
-                result ? result.release() : new base::DictionaryValue());
+  response->Set(kResultParam, result
+                                  ? std::move(result)
+                                  : base::MakeUnique<base::DictionaryValue>());
 
   return response;
 }