Remove requirement for an error message for showing Intents

ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java

Index: ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java
diff --git a/ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java b/ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java
index 07f48dcc13f3248fa107f146abd0de462dbd2944..b32cd9b95a81e997d40cc3593ac3871d4a3f1cf8 100644
--- a/ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java
+++ b/ui/android/java/src/org/chromium/ui/base/ActivityWindowAndroid.java
@@ -32,7 +32,8 @@ public class ActivityWindowAndroid extends WindowAndroid {
     }
 
     @Override
-    public int showCancelableIntent(PendingIntent intent, IntentCallback callback, int errorId) {
+    public int showCancelableIntent(
+            PendingIntent intent, IntentCallback callback, Integer errorId) {
         Activity activity = mActivityRef.get();
         if (activity == null) return START_INTENT_FAILURE;
 
@@ -50,7 +51,7 @@ public class ActivityWindowAndroid extends WindowAndroid {
     }
 
     @Override
-    public int showCancelableIntent(Intent intent, IntentCallback callback, int errorId) {
+    public int showCancelableIntent(Intent intent, IntentCallback callback, Integer errorId) {
         Activity activity = mActivityRef.get();
         if (activity == null) return START_INTENT_FAILURE;
 
@@ -104,8 +105,9 @@ public class ActivityWindowAndroid extends WindowAndroid {
         return requestCode;
     }
 
-    private void storeCallbackData(int requestCode, IntentCallback callback, int errorId) {
+    private void storeCallbackData(int requestCode, IntentCallback callback, Integer errorId) {
         mOutstandingIntents.put(requestCode, callback);
-        mIntentErrors.put(requestCode, mApplicationContext.getString(errorId));
+        mIntentErrors.put(
+                requestCode, errorId == null ? null : mApplicationContext.getString(errorId));
     }
 }