Add the most recent crash report IDs to feedback reports

components/feedback/feedback_report.cc

 // Copyright 2014 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 "components/feedback/feedback_report.h"
 
 #include "base/files/file.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
 #include "base/files/important_file_writer.h"
@@ skipping 36 matching lines @@
       reports_task_runner_(task_runner) {
   if (reports_path_.empty())
     return;
   file_ = reports_path_.AppendASCII(
       kFeedbackReportFilenamePrefix + base::GenerateGUID());
 
   reports_task_runner_->PostTask(FROM_HERE, base::Bind(
       &WriteReportOnBlockingPool, reports_path_, file_, data_));
 }
 
-FeedbackReport::~FeedbackReport() {}
-
-void FeedbackReport::DeleteReportOnDisk() {
-  reports_task_runner_->PostTask(FROM_HERE, base::Bind(
-      base::IgnoreResult(&base::DeleteFile), file_, false));
-}
+// static
+const char FeedbackReport::kCrashReportIdsKey[]  = "crash_report_ids";
 
 // static
 void FeedbackReport::LoadReportsAndQueue(
     const base::FilePath& user_dir, QueueCallback callback) {
   if (user_dir.empty())
     return;
 
   base::FileEnumerator enumerator(user_dir,
                                   false,
                                   base::FileEnumerator::FILES,
                                   kFeedbackReportFilenameWildcard);
   for (base::FilePath name = enumerator.Next();
        !name.empty();
        name = enumerator.Next()) {
     std::string data;
     if (ReadFileToString(name, &data))
       callback.Run(data);
     base::DeleteFile(name, false);
   }
 }
 
+void FeedbackReport::DeleteReportOnDisk() {
+  reports_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(base::IgnoreResult(&base::DeleteFile), file_, false));
+}
+
+FeedbackReport::~FeedbackReport() {}
+
 }  // namespace feedback