Fix the Download Notifications for Offline Pages to indicate bytes loaded.

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadItem.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/DownloadItem.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadItem.java b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadItem.java
index 13db5a41207809d491137ddc253ec8844304c40b..9d0d94da18e13913b7b8e78e65abc594982c343f 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadItem.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadItem.java
@@ -14,8 +14,10 @@ import org.chromium.base.annotations.CalledByNative;
  * DownloadManager must be queried for the correct status.
  */
 public class DownloadItem {
+    // Used to indicate 'indeterminate' progress, this is usually visualized in UI as a different
+    // style of progress bar and also removes the "nn%" indicators.
+    public static final int INVALID_DOWNLOAD_PERCENTAGE = -1;

[fgorski, 2017/03/07 22:26:43]

Is there any other condition causing invalid?

why not call it indeterminate_download_percentage if that is not the case?

...

[Dmitry Titov, 2017/03/08 00:47:38]

Renamed, hope Min concurs.

     static final long INVALID_DOWNLOAD_ID = -1L;
-    static final int INVALID_DOWNLOAD_PERCENTAGE = -1;
 
     private boolean mUseAndroidDownloadManager;
     private DownloadInfo mDownloadInfo;