Make the ShortcutHelper toast instead of send the user home for web app banners

chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java b/chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java
index f953e8ffc85fb78e3684de30c422470852f7dde0..d59e45d91b6e4dc8c63374fa6022b1b5df2481fe 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ShortcutHelper.java
@@ -8,11 +8,16 @@ import android.app.ActivityManager;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Bitmap;
+import android.os.Handler;
+import android.os.Looper;
 import android.text.TextUtils;
 import android.util.Base64;
 import android.util.Log;
+import android.widget.Toast;
 
+import org.chromium.base.ApplicationStatus;
 import org.chromium.base.CalledByNative;
+import org.chromium.chrome.R;
 import org.chromium.content_public.common.ScreenOrientationConstants;
 
 import java.io.ByteArrayOutputStream;
@@ -161,11 +166,17 @@ public class ShortcutHelper {
         context.sendBroadcast(BookmarkUtils.createAddToHomeIntent(context, shortcutIntent, title,
                 icon, red, green, blue));
 
-        // User is sent to the homescreen as soon as the shortcut is created.
-        Intent homeIntent = new Intent(Intent.ACTION_MAIN);
-        homeIntent.addCategory(Intent.CATEGORY_HOME);
-        homeIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        context.startActivity(homeIntent);
+        // Alert the user about adding the shortcut.
+        Handler handler = new Handler(Looper.getMainLooper());
+        handler.post(new Runnable() {
+            @Override
+            public void run() {
+                Context applicationContext = ApplicationStatus.getApplicationContext();
+                String toastText = applicationContext.getString(R.string.added_to_homescreen);
+                Toast toast = Toast.makeText(applicationContext, toastText, Toast.LENGTH_SHORT);
+                toast.show();
+            }
+        });
     }
 
     private native long nativeInitialize(long tabAndroidPtr);