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

chrome/browser/extensions/api/debugger/debugger_api.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.
 
 // Implements the Chrome Extensions Debugger API.
 
 #include "chrome/browser/extensions/api/debugger/debugger_api.h"
 
 #include <stddef.h>
 
@@ skipping 373 matching lines @@
 void ExtensionDevToolsClientHost::SendMessageToBackend(
     DebuggerSendCommandFunction* function,
     const std::string& method,
     SendCommand::Params::CommandParams* command_params) {
   base::DictionaryValue protocol_request;
   int request_id = ++last_request_id_;
   pending_requests_[request_id] = function;
   protocol_request.SetInteger("id", request_id);
   protocol_request.SetString("method", method);
   if (command_params) {
-    protocol_request.Set(
-        "params", command_params->additional_properties.CreateDeepCopy());
+    protocol_request.Set("params",
+                         command_params->additional_properties.DeepCopy());
   }
 
   std::string json_args;
   base::JSONWriter::Write(protocol_request, &json_args);
   agent_host_->DispatchProtocolMessage(this, json_args);
 }
 
 void ExtensionDevToolsClientHost::InfoBarDismissed() {
   detach_reason_ = api::debugger::DETACH_REASON_CANCELED_BY_USER;
   SendDetachedEvent();
@@ skipping 333 matching lines @@
 void DebuggerGetTargetsFunction::SendTargetList(
     const content::DevToolsAgentHost::List& target_list) {
   std::unique_ptr<base::ListValue> result(new base::ListValue());
   for (size_t i = 0; i < target_list.size(); ++i)
     result->Append(SerializeTarget(target_list[i]));
   SetResult(std::move(result));
   SendResponse(true);
 }
 
 }  // namespace extensions