Fix a bunch of clang warnings/errors.

chrome/browser/download/download_manager.cc

 // Copyright (c) 2010 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/download/download_manager.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/callback.h"
 #include "base/file_util.h"
@@ skipping 31 matching lines @@
 #include "googleurl/src/gurl.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_util.h"
 
 #if defined(OS_WIN)
 #include "app/win_util.h"
 #endif
 
-namespace {
-
-// Used to sort download items based on descending start time.
-bool CompareStartTime(DownloadItem* first, DownloadItem* second) {
-  return first->start_time() > second->start_time();
-}
-
-}  // namespace
-
 DownloadManager::DownloadManager()
     : shutdown_needed_(false),
       profile_(NULL),
       file_manager_(NULL) {
 }
 
 DownloadManager::~DownloadManager() {
   DCHECK(!shutdown_needed_);
 }
 
@@ skipping 922 matching lines @@
     observed_download_manager_->RemoveObserver(this);
 }
 
 void DownloadManager::OtherDownloadManagerObserver::ModelChanged() {
   observing_download_manager_->NotifyModelChanged();
 }
 
 void DownloadManager::OtherDownloadManagerObserver::ManagerGoingDown() {
   observed_download_manager_ = NULL;
 }