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chrome/browser/net/file_downloader.cc

 // Copyright 2015 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/net/file_downloader.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
@@ skipping 40 matching lines @@
 
 FileDownloader::~FileDownloader() {}
 
 void FileDownloader::OnURLFetchComplete(const net::URLFetcher* source) {
   DCHECK_EQ(fetcher_.get(), source);
 
   const net::URLRequestStatus& status = source->GetStatus();
   if (!status.is_success()) {
     DLOG(WARNING) << "URLRequestStatus error " << status.error()
         << " while trying to download " << source->GetURL().spec();
-    callback_.Run(false);
+    callback_.Run(FAILED);
     return;
   }
 
   int response_code = source->GetResponseCode();
   if (response_code != net::HTTP_OK) {
     DLOG(WARNING) << "HTTP error " << response_code
         << " while trying to download " << source->GetURL().spec();
-    callback_.Run(false);
+    callback_.Run(FAILED);
     return;
   }
 
   base::FilePath response_path;
   bool success = source->GetResponseAsFilePath(false, &response_path);
   if (!success) {
-    callback_.Run(false);
+    callback_.Run(FAILED);
     return;
   }
 
   base::PostTaskAndReplyWithResult(
       BrowserThread::GetBlockingPool()
           ->GetTaskRunnerWithShutdownBehavior(
               base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN)
           .get(),
       FROM_HERE, base::Bind(&base::Move, response_path, local_path_),
       base::Bind(&FileDownloader::OnFileMoveDone,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 void FileDownloader::OnFileExistsCheckDone(bool exists) {
   if (exists)
-    callback_.Run(true);
+    callback_.Run(EXISTS);
   else
     fetcher_->Start();
 }
 
 void FileDownloader::OnFileMoveDone(bool success) {
   if (!success) {
     DLOG(WARNING) << "Could not move file to "
                   << local_path_.LossyDisplayName();
   }
 
-  callback_.Run(success);
+  callback_.Run(success ? DOWNLOADED : FAILED);
 }