Fix history importing by delaying DownloadManager creation.

chrome/browser/download/download_service.cc

Index: chrome/browser/download/download_service.cc
diff --git a/chrome/browser/download/download_service.cc b/chrome/browser/download/download_service.cc
index 6b5fcb26bfaa7bab5b1133a4a672bae07c52b400..c5263be1da220a727c7cadd2a922e687e8a20c7d 100644
--- a/chrome/browser/download/download_service.cc
+++ b/chrome/browser/download/download_service.cc
@@ -9,14 +9,26 @@
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "content/browser/download/download_id_factory.h"
 #include "content/browser/download/download_manager.h"
 
 DownloadService::DownloadService(Profile* profile)
     : download_manager_created_(false),
-      profile_(profile) {}
+      profile_(profile) {
+  if (profile_->IsOffTheRecord()) {
+    id_factory_ = DownloadServiceFactory::GetForProfile(
+        profile_->GetOriginalProfile())->GetDownloadIdFactory();
+  } else {
+    id_factory_ = new DownloadIdFactory(this);
+  }
+}
 
 DownloadService::~DownloadService() {}
 
+DownloadIdFactory* DownloadService::GetDownloadIdFactory() const {
+  return id_factory_.get();
+}
+
 DownloadManager* DownloadService::GetDownloadManager() {
   if (!download_manager_created_) {
     // In case the delegate has already been set by
@@ -24,7 +36,9 @@ DownloadManager* DownloadService::GetDownloadManager() {
     if (!manager_delegate_.get())
       manager_delegate_ = new ChromeDownloadManagerDelegate(profile_);
     manager_ = new DownloadManager(
-        manager_delegate_.get(), g_browser_process->download_status_updater());
+        manager_delegate_.get(),
+        id_factory_.get(),
+        g_browser_process->download_status_updater());
     manager_->Init(profile_);
     manager_delegate_->SetDownloadManager(manager_);
     download_manager_created_ = true;