Cache feedback reports to disk in case of send failure.

chrome/browser/feedback/feedback_util.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.
 
 #include "chrome/browser/feedback/feedback_util.h"
 
 #include <sstream>
 #include <string>
 #include <vector>
 
@@ skipping 221 matching lines @@
   chrome_browser_data.set_category(
       userfeedback::ChromeBrowserData_ChromeBrowserCategory_OTHER);
   *(chrome_data.mutable_chrome_browser_data()) = chrome_browser_data;
   feedback_data.set_product_id(kChromeBrowserProductId);
 #endif
 
   *(feedback_data.mutable_chrome_data()) = chrome_data;
 
   // This pointer will eventually get deleted by the PostCleanup class, after
   // we've either managed to successfully upload the report or died trying.
-  scoped_ptr<std::string> post_body(new std::string);
-  feedback_data.SerializeToString(post_body.get());
+  std::string post_body;
+  feedback_data.SerializeToString(&post_body);
 
   feedback::FeedbackUploader *uploader =
       feedback::FeedbackUploaderFactory::GetForBrowserContext(data->profile());
-  uploader->QueueReport(post_body.Pass());
+  uploader->QueueReport(post_body);
 }
 
 bool ZipString(const base::FilePath& filename,
                const std::string& data, std::string* compressed_logs) {
   base::FilePath temp_path;
   base::FilePath zip_file;
 
   // Create a temporary directory, put the logs into a file in it. Create
   // another temporary file to receive the zip file in.
   if (!base::CreateNewTempDirectory(base::FilePath::StringType(), &temp_path))
     return false;
   if (file_util::WriteFile(temp_path.Append(filename),
                            data.c_str(), data.size()) == -1)
     return false;
 
   bool succeed = base::CreateTemporaryFile(&zip_file) &&
       zip::Zip(temp_path, zip_file, false) &&
       base::ReadFileToString(zip_file, compressed_logs);
 
   base::DeleteFile(temp_path, true);
   base::DeleteFile(zip_file, false);
 
   return succeed;
 }
 
 }  // namespace feedback_util