Added member data to classes to support download resumption.

content/browser/download/mock_download_manager.cc

Index: content/browser/download/mock_download_manager.cc
diff --git a/content/browser/download/mock_download_manager.cc b/content/browser/download/mock_download_manager.cc
index 40d772834fbf28c6df5818ec92fcefbb70193931..3e25b8cbbe2b2ffdf62d40327584b759ab2ff69a 100644
--- a/content/browser/download/mock_download_manager.cc
+++ b/content/browser/download/mock_download_manager.cc
@@ -49,7 +49,9 @@ bool MockDownloadManager::Init(content::BrowserContext* browser_context) {
 void MockDownloadManager::StartDownload(int32 id) {
 }
 
-void MockDownloadManager::UpdateDownload(int32 download_id, int64 size) {
+void MockDownloadManager::UpdateDownload(int32 download_id,
+                                         int64 size,
+                                         Pickle hash_state) {
 }
 
 void MockDownloadManager::OnResponseCompleted(int32 download_id, int64 size,
@@ -59,7 +61,9 @@ void MockDownloadManager::OnResponseCompleted(int32 download_id, int64 size,
 void MockDownloadManager::CancelDownload(int32 download_id) {
 }
 
-void MockDownloadManager::OnDownloadInterrupted(int32 download_id, int64 size,
+void MockDownloadManager::OnDownloadInterrupted(int32 download_id,
+                                                int64 size,
+                                                Pickle hash_state,
                                                 InterruptReason reason) {
 }