Remove dead code in DownloadActivity

IntentHandler.EXTRA_PARENT_COMPONENT is no longer used by
DownloadActivity.

Change-Id: I73c315ea62fe44c13364a6d64ca94cf8d14f2dff
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2633802
Commit-Queue: Michael Thiessen <mthiesse@chromium.org>
Commit-Queue: Yaron Friedman <yfriedman@chromium.org>
Auto-Submit: Michael Thiessen <mthiesse@chromium.org>
Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#844228}

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

@@ -5,11 +5,8 @@
 package org.chromium.chrome.browser.download;
 
 import android.app.Activity;
-import android.content.ComponentName;
 import android.os.Bundle;
 
-import org.chromium.base.IntentUtils;
-import org.chromium.chrome.browser.IntentHandler;
 import org.chromium.chrome.browser.SnackbarActivity;
 import org.chromium.chrome.browser.download.home.DownloadManagerCoordinator;
 import org.chromium.chrome.browser.download.home.DownloadManagerCoordinatorFactoryHelper;
@@ -63,8 +60,6 @@ public class DownloadActivity extends SnackbarActivity implements ModalDialogMan
         OfflineContentAggregatorNotificationBridgeUiFactory.instance();
         boolean isOffTheRecord = DownloadUtils.shouldShowOffTheRecordDownloads(getIntent());
         boolean showPrefetchContent = DownloadUtils.shouldShowPrefetchContent(getIntent());
-        ComponentName parentComponent = IntentUtils.safeGetParcelableExtra(
-                getIntent(), IntentHandler.EXTRA_PARENT_COMPONENT);
         mPermissionDelegate =
                 new ActivityAndroidPermissionDelegate(new WeakReference<Activity>(this));
         mOtrProfileID = DownloadUtils.getOTRProfileIDFromIntent(getIntent());

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

@@ -157,7 +157,6 @@ public class DownloadUtils {
                 // Sits on top of another Activity.
                 intent.addFlags(
                         Intent.FLAG_ACTIVITY_MULTIPLE_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP);
-                intent.putExtra(IntentHandler.EXTRA_PARENT_COMPONENT, activity.getComponentName());
                 activity.startActivity(intent);
             }
         }