Downloads: Added transient flag to download item and download database

chrome/browser/android/download/download_manager_service.cc

Index: chrome/browser/android/download/download_manager_service.cc
diff --git a/chrome/browser/android/download/download_manager_service.cc b/chrome/browser/android/download/download_manager_service.cc
index 5c825b5ae6ec26a57de1fbc6727e0ff90a0ea42c..f748c0cb110c6c19e3fe1944eec321fafafdc6fc 100644
--- a/chrome/browser/android/download/download_manager_service.cc
+++ b/chrome/browser/android/download/download_manager_service.cc
@@ -122,7 +122,7 @@ ScopedJavaLocalRef<jobject> DownloadManagerService::CreateJavaDownloadInfo(
       ConvertUTF8ToJavaString(env, item->GetReferrerUrl().spec()),
       time_remaining_known ? time_delta.InMilliseconds()
                            : kUnknownRemainingTime,
-      item->GetLastAccessTime().ToJavaTime());
+      item->GetLastAccessTime().ToJavaTime(), item->IsVisible());

[David Trainor- moved to gerrit, 2017/03/06 18:28:39]

Should visible items make it past this point?  Maybe add a TODO and a follow up
bug.

[shaktisahu, 2017/03/08 06:51:30]

Removed.

 }
 
 static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& jobj) {