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 85edae9c42a7d7f08a555eaef4b632ca01454405..bb065368990d13e5c8c44c6ec50f4db503ffc4f5 100644
--- a/chrome/browser/download/download_item_unittest.cc
+++ b/chrome/browser/download/download_item_unittest.cc
@@ -124,7 +124,7 @@ TEST_F(DownloadItemTest, NotificationAfterUpdate) {
   DownloadItem* item = CreateDownloadItem(DownloadItem::IN_PROGRESS);
   MockObserver observer(item);
 
-  item->Update(kDownloadChunkSize);
+  item->Update(kDownloadChunkSize, DownloadItem::kEmptyFileHash);
   ASSERT_TRUE(observer.CheckUpdated());
 }
 
@@ -166,7 +166,9 @@ TEST_F(DownloadItemTest, NotificationAfterInterrupted) {
   DownloadItem* item = CreateDownloadItem(DownloadItem::IN_PROGRESS);
   MockObserver observer(item);
 
-  item->Interrupted(kDownloadChunkSize, DOWNLOAD_INTERRUPT_REASON_NONE);
+  item->Interrupted(kDownloadChunkSize,
+                    DownloadItem::kEmptyFileHash,
+                    DOWNLOAD_INTERRUPT_REASON_NONE);
   ASSERT_TRUE(observer.CheckUpdated());
 }