Added member data to classes to support download resumption.

chrome/browser/download/download_item_unittest.cc

Index: chrome/browser/download/download_item_unittest.cc
diff --git a/chrome/browser/download/download_item_unittest.cc b/chrome/browser/download/download_item_unittest.cc
index 86d7aaafc88c4ab0152f3b687a260ed552fca17b..7e1f0aa277f3b5acdc2f079cbcc541dd4af53bfc 100644
--- a/chrome/browser/download/download_item_unittest.cc
+++ b/chrome/browser/download/download_item_unittest.cc
@@ -126,7 +126,7 @@ TEST_F(DownloadItemTest, NotificationAfterUpdate) {
   DownloadItem* item = CreateDownloadItem(DownloadItem::IN_PROGRESS);
   MockObserver observer(item);
 
-  item->Update(kDownloadChunkSize);
+  item->Update(kDownloadChunkSize, "");
   ASSERT_TRUE(observer.CheckUpdated());
 }
 
@@ -168,7 +168,7 @@ TEST_F(DownloadItemTest, NotificationAfterInterrupted) {
   DownloadItem* item = CreateDownloadItem(DownloadItem::IN_PROGRESS);
   MockObserver observer(item);
 
-  item->Interrupted(kDownloadChunkSize, DOWNLOAD_INTERRUPT_REASON_NONE);
+  item->Interrupted(kDownloadChunkSize, "", DOWNLOAD_INTERRUPT_REASON_NONE);
   ASSERT_TRUE(observer.CheckUpdated());
 }