Convert JsonWriter::Write to taking a const ref for the in-param

google_apis/drive/drive_api_requests.cc

Index: google_apis/drive/drive_api_requests.cc
diff --git a/google_apis/drive/drive_api_requests.cc b/google_apis/drive/drive_api_requests.cc
index dec5adc2208b5233f91f62966c9797368a8ba8c3..d86766e846bd7e3b9f83a019526fa405c52a19b3 100644
--- a/google_apis/drive/drive_api_requests.cc
+++ b/google_apis/drive/drive_api_requests.cc
@@ -130,7 +130,7 @@ std::string CreateMultipartUploadMetadataJson(
 
   AttachProperties(properties, &root);
   std::string json_string;
-  base::JSONWriter::Write(&root, &json_string);
+  base::JSONWriter::Write(root, &json_string);
   return json_string;
 }
 
@@ -414,7 +414,7 @@ bool FilesInsertRequest::GetContentData(std::string* upload_content_type,
     root.SetString("title", title_);
 
   AttachProperties(properties_, &root);
-  base::JSONWriter::Write(&root, upload_content);
+  base::JSONWriter::Write(root, upload_content);
 
   DVLOG(1) << "FilesInsert data: " << *upload_content_type << ", ["
            << *upload_content << "]";
@@ -488,7 +488,7 @@ bool FilesPatchRequest::GetContentData(std::string* upload_content_type,
   }
 
   AttachProperties(properties_, &root);
-  base::JSONWriter::Write(&root, upload_content);
+  base::JSONWriter::Write(root, upload_content);
 
   DVLOG(1) << "FilesPatch data: " << *upload_content_type << ", ["
            << *upload_content << "]";
@@ -542,7 +542,7 @@ bool FilesCopyRequest::GetContentData(std::string* upload_content_type,
   if (!title_.empty())
     root.SetString("title", title_);
 
-  base::JSONWriter::Write(&root, upload_content);
+  base::JSONWriter::Write(root, upload_content);
   DVLOG(1) << "FilesCopy data: " << *upload_content_type << ", ["
            << *upload_content << "]";
   return true;
@@ -752,7 +752,7 @@ bool ChildrenInsertRequest::GetContentData(std::string* upload_content_type,
   base::DictionaryValue root;
   root.SetString("id", id_);
 
-  base::JSONWriter::Write(&root, upload_content);
+  base::JSONWriter::Write(root, upload_content);
   DVLOG(1) << "InsertResource data: " << *upload_content_type << ", ["
            << *upload_content << "]";
   return true;
@@ -831,7 +831,7 @@ bool InitiateUploadNewFileRequest::GetContentData(
   }
 
   AttachProperties(properties_, &root);
-  base::JSONWriter::Write(&root, upload_content);
+  base::JSONWriter::Write(root, upload_content);
 
   DVLOG(1) << "InitiateUploadNewFile data: " << *upload_content_type << ", ["
            << *upload_content << "]";
@@ -903,7 +903,7 @@ bool InitiateUploadExistingFileRequest::GetContentData(
     return false;
 
   *upload_content_type = util::kContentTypeApplicationJson;
-  base::JSONWriter::Write(&root, upload_content);
+  base::JSONWriter::Write(root, upload_content);
   DVLOG(1) << "InitiateUploadExistingFile data: " << *upload_content_type
            << ", [" << *upload_content << "]";
   return true;
@@ -1155,7 +1155,7 @@ bool PermissionsInsertRequest::GetContentData(std::string* upload_content_type,
       break;
   }
   root.SetString("value", value_);
-  base::JSONWriter::Write(&root, upload_content);
+  base::JSONWriter::Write(root, upload_content);
   return true;
 }