Make downloaded WebAPK world readable

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java

Index: chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java
index fd0629e9ad4b94a5327049be5bd2eb96efba4fad..e41e461cd3ea400b3a8b53d983d7944c5d7b64cd 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebApkInstaller.java
@@ -37,9 +37,6 @@ public class WebApkInstaller {
                     "WebAPK install failed because installation from unknown sources is disabled.");
             return false;
         }
-        if (!new File(filePath).exists()) {

[pkotwicz, 2016/08/10 22:22:45]

net::FileDownloader guarantees that the downloaded file exists. This function is
now called on the UI thread. Doing file operations on the UI thread is bad.

-            return false;
-        }
         Intent intent = new Intent(Intent.ACTION_VIEW);
         Uri fileUri = Uri.fromFile(new File(filePath));
         intent.setDataAndType(fileUri, "application/vnd.android.package-archive");