Split DownloadItem into an ABC, an Impl, and a Mock.

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"
 #include "base/file_util.h"
 #include "base/i18n/case_conversion.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/stringprintf.h"
 #include "base/synchronization/lock.h"
 #include "base/sys_string_conversions.h"
 #include "build/build_config.h"
 #include "content/browser/browser_context.h"
 #include "content/browser/download/download_create_info.h"
 #include "content/browser/download/download_file_manager.h"
 #include "content/browser/download/download_id_factory.h"
-#include "content/browser/download/download_item.h"
+#include "content/browser/download/download_item_impl.h"
 #include "content/browser/download/download_persistent_store_info.h"
 #include "content/browser/download/download_stats.h"
 #include "content/browser/download/download_status_updater.h"
 #include "content/browser/download/interrupt_reasons.h"
 #include "content/browser/renderer_host/render_process_host.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
@@ skipping 277 matching lines @@
   } else {
     // No prompting for download, just continue with the suggested name.
     ContinueDownloadWithPath(download, suggested_path);
   }
 }
 
 void DownloadManager::CreateDownloadItem(
     DownloadCreateInfo* info, const DownloadRequestHandle& request_handle) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
-  DownloadItem* download = new DownloadItem(
+  DownloadItem* download = new DownloadItemImpl(
       this, *info, new DownloadRequestHandle(request_handle),
       browser_context_->IsOffTheRecord());
   int32 download_id = info->download_id.local();
   DCHECK(!ContainsKey(in_progress_, download_id));
 
   // TODO(rdsmith): Remove after http://crbug.com/85408 resolved.
   CHECK(!ContainsKey(active_downloads_, download_id));
   downloads_.insert(download);
   active_downloads_[download_id] = download;
 }
@@ skipping 480 matching lines @@
 
 // The history service has retrieved all download entries. 'entries' contains
 // 'DownloadPersistentStoreInfo's in sorted order (by ascending start_time).
 void DownloadManager::OnPersistentStoreQueryComplete(
     std::vector<DownloadPersistentStoreInfo>* entries) {
   // TODO(rdsmith): Remove this and related logic when
   // http://crbug.com/85408 is fixed.
   largest_db_handle_in_history_ = 0;
 
   for (size_t i = 0; i < entries->size(); ++i) {
-    DownloadItem* download = new DownloadItem(this, entries->at(i));
+    DownloadItem* download = new DownloadItemImpl(this, entries->at(i));
     // TODO(rdsmith): Remove after http://crbug.com/85408 resolved.
     CHECK(!ContainsKey(history_downloads_, download->db_handle()));
     downloads_.insert(download);
     history_downloads_[download->db_handle()] = download;
     VLOG(20) << __FUNCTION__ << "()" << i << ">"
              << " download = " << download->DebugString(true);
 
     if (download->db_handle() > largest_db_handle_in_history_)
       largest_db_handle_in_history_ = download->db_handle();
   }
@@ skipping 241 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);
 }