Enable deep-linking from notifications for recently used web apps on the Android home screen.

chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/TabDelegate.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/TabDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/TabDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/TabDelegate.java
index 02912595a432225a0cd3fb223408a64cd9d5f2d9..05d3baf41fc96288e94c6989db8fe00c2c9af8cc 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/TabDelegate.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/TabDelegate.java
@@ -9,6 +9,7 @@ import android.content.Intent;
 import android.net.Uri;
 import android.text.TextUtils;
 
+import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.ApplicationStatus;
 import org.chromium.chrome.browser.IntentHandler;
 import org.chromium.chrome.browser.TabState;
@@ -192,4 +193,16 @@ public class TabDelegate extends TabCreator {
         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         return intent;
     }
-}
+
+    /**
+     * Passes the supplied web app launch intent to the IntentHandler.
+     * @param intent Web app launch intent.
+     */
+    public void createNewStandaloneFrame(Intent intent) {
+        assert intent != null;
+        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                | ApiCompatibilityUtils.getActivityNewDocumentFlag());
+        IntentHandler.startActivityForTrustedIntent(intent,
+                ApplicationStatus.getApplicationContext());
+    }
+}