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 359eff9cc519adb25706e43f8031475d72aa2c04..eb09d2aaa08149ee741b9e6d0e6608b38b19b394 100644
--- a/content/browser/download/mock_download_manager.cc
+++ b/content/browser/download/mock_download_manager.cc
@@ -50,7 +50,9 @@ 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,
+                                         std::string hash_state) {
 }
 
 void MockDownloadManager::OnResponseCompleted(int32 download_id, int64 size,
@@ -60,7 +62,9 @@ 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,
+                                                std::string hash_state,
                                                 InterruptReason reason) {
 }