[Downloads] Open media downloads internally

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

Index: chrome/android/java/src/org/chromium/chrome/browser/download/DownloadBroadcastReceiver.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadBroadcastReceiver.java b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadBroadcastReceiver.java
index 126209fc7295a1011a6d2f2f13fc9619d4d0d289..160a61b5027f84c03dd7573a9f64e098a9b27083 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadBroadcastReceiver.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadBroadcastReceiver.java
@@ -5,13 +5,14 @@
 package org.chromium.chrome.browser.download;
 
 import android.app.DownloadManager;
-import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 
+import org.chromium.chrome.browser.util.IntentUtils;
+
 /**
  * This {@link BroadcastReceiver} handles clicks to download notifications and their action buttons.
  * Clicking on an in-progress or failed download will open the download manager. Clicking on
@@ -58,12 +59,11 @@ public class DownloadBroadcastReceiver extends BroadcastReceiver {
             // Open the downloads page
             DownloadManagerService.openDownloadsPage(context);
         } else {
-            Intent launchIntent = new Intent(Intent.ACTION_VIEW);
-            launchIntent.setDataAndType(uri, manager.getMimeTypeForDownloadedFile(id));
-            launchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-            try {
-                context.startActivity(launchIntent);
-            } catch (ActivityNotFoundException e) {
+            String downloadFilename = IntentUtils.safeGetStringExtra(
+                    intent, DownloadNotificationService.EXTRA_DOWNLOAD_FILE_PATH);
+            Intent launchIntent = DownloadManagerService.getLaunchIntentFromDownloadId(
+                    context, downloadFilename, id);
+            if (!DownloadUtils.fireOpenIntentForDownload(context, launchIntent)) {
                 DownloadManagerService.openDownloadsPage(context);
             }
         }