deprecate notificationId for downloads

content/public/android/java/src/org/chromium/content/browser/DownloadInfo.java

Index: content/public/android/java/src/org/chromium/content/browser/DownloadInfo.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/DownloadInfo.java b/content/public/android/java/src/org/chromium/content/browser/DownloadInfo.java
index 7110fe8faec0cbd43a0ae3d3d33a2436b7c02ef6..a3ab93f842213ff807fcb923216af53c27493d2d 100644
--- a/content/public/android/java/src/org/chromium/content/browser/DownloadInfo.java
+++ b/content/public/android/java/src/org/chromium/content/browser/DownloadInfo.java
@@ -18,7 +18,6 @@ public final class DownloadInfo {
     private final String mReferer;
     private final String mOriginalUrl;
     private final long mContentLength;
-    private final int mNotificationId;
     private final String mDownloadGuid;
     private final boolean mHasUserGesture;
     private final String mContentDisposition;
@@ -40,7 +39,6 @@ public final class DownloadInfo {
         mReferer = builder.mReferer;
         mOriginalUrl = builder.mOriginalUrl;
         mContentLength = builder.mContentLength;
-        mNotificationId = builder.mNotificationId;
         mDownloadGuid = builder.mDownloadGuid;
         mHasUserGesture = builder.mHasUserGesture;
         mIsGETRequest = builder.mIsGETRequest;
@@ -96,10 +94,6 @@ public final class DownloadInfo {
         return mIsGETRequest;
     }
 
-    public int getNotificationId() {
-        return mNotificationId;
-    }
-
     public String getDownloadGuid() {
         return mDownloadGuid;
     }
@@ -150,7 +144,6 @@ public final class DownloadInfo {
         private String mOriginalUrl;
         private long mContentLength;
         private boolean mIsGETRequest;
-        private int mNotificationId;
         private String mDownloadGuid;
         private boolean mHasUserGesture;
         private String mContentDisposition;
@@ -215,11 +208,6 @@ public final class DownloadInfo {
             return this;
         }
 
-        public Builder setNotificationId(int notificationId) {
-            mNotificationId = notificationId;
-            return this;
-        }
-
         public Builder setDownloadGuid(String downloadGuid) {
             mDownloadGuid = downloadGuid;
             return this;
@@ -282,7 +270,6 @@ public final class DownloadInfo {
                     .setReferer(downloadInfo.getReferer())
                     .setOriginalUrl(downloadInfo.getOriginalUrl())
                     .setContentLength(downloadInfo.getContentLength())
-                    .setNotificationId(downloadInfo.getNotificationId())
                     .setDownloadGuid(downloadInfo.getDownloadGuid())
                     .setHasUserGesture(downloadInfo.hasUserGesture())
                     .setContentDisposition(downloadInfo.getContentDisposition())