Const-ify DownloadStatusUpdaterDelegate methods.

content/browser/download/download_manager.cc

 // Copyright (c) 2011 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 "content/browser/download/download_manager.h"
 
 #include <iterator>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 719 matching lines @@
 
 void DownloadManager::AddObserver(Observer* observer) {
   observers_.AddObserver(observer);
   observer->ModelChanged();
 }
 
 void DownloadManager::RemoveObserver(Observer* observer) {
   observers_.RemoveObserver(observer);
 }
 
-bool DownloadManager::IsDownloadProgressKnown() {
-  for (DownloadMap::iterator i = in_progress_.begin();
+bool DownloadManager::IsDownloadProgressKnown() const {
+  for (DownloadMap::const_iterator i = in_progress_.begin();
        i != in_progress_.end(); ++i) {
     if (i->second->total_bytes() <= 0)
       return false;
   }
 
   return true;
 }
 
-int64 DownloadManager::GetInProgressDownloadCount() {
+int64 DownloadManager::GetInProgressDownloadCount() const {
   return in_progress_.size();
 }
 
-int64 DownloadManager::GetReceivedDownloadBytes() {
+int64 DownloadManager::GetReceivedDownloadBytes() const {
   DCHECK(IsDownloadProgressKnown());
   int64 received_bytes = 0;
-  for (DownloadMap::iterator i = in_progress_.begin();
+  for (DownloadMap::const_iterator i = in_progress_.begin();
        i != in_progress_.end(); ++i) {
     received_bytes += i->second->received_bytes();
   }
   return received_bytes;
 }
 
-int64 DownloadManager::GetTotalDownloadBytes() {
+int64 DownloadManager::GetTotalDownloadBytes() const {
   DCHECK(IsDownloadProgressKnown());
   int64 total_bytes = 0;
-  for (DownloadMap::iterator i = in_progress_.begin();
+  for (DownloadMap::const_iterator i = in_progress_.begin();
        i != in_progress_.end(); ++i) {
     total_bytes += i->second->total_bytes();
   }
   return total_bytes;
 }
 
 void DownloadManager::FileSelected(const FilePath& path, void* params) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   int32* id_ptr = reinterpret_cast<int32*>(params);
@@ skipping 305 matching lines @@
 void DownloadManager::MarkDownloadOpened(DownloadItem* download) {
   delegate_->UpdateItemInPersistentStore(download);
   int num_unopened = 0;
   for (DownloadMap::iterator it = history_downloads_.begin();
        it != history_downloads_.end(); ++it) {
     if (it->second->IsComplete() && !it->second->opened())
       ++num_unopened;
   }
   download_stats::RecordOpensOutstanding(num_unopened);
 }