Dismissing of date/time dialogs should not set the value

content/public/android/java/src/org/chromium/content/browser/input/ChromeDatePickerDialog.java

Index: content/public/android/java/src/org/chromium/content/browser/input/ChromeDatePickerDialog.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/input/ChromeDatePickerDialog.java b/content/public/android/java/src/org/chromium/content/browser/input/ChromeDatePickerDialog.java
new file mode 100644
index 0000000000000000000000000000000000000000..e759e8550aaa9bd25a0b5b480fdadde430717661
--- /dev/null
+++ b/content/public/android/java/src/org/chromium/content/browser/input/ChromeDatePickerDialog.java
@@ -0,0 +1,43 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.content.browser.input;
+
+import android.app.DatePickerDialog.OnDateSetListener;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.widget.DatePicker;
+
+/**
+ * The behavior of the DatePickerDialog changed after JellyBean so it now calls
+ * OndateSetListener.onDateSet() even when the dialog is dismissed (e.g. back button, tap
+ * outside). This class will call the listener instead of the DatePickerDialog only when the
+ * BUTTON_POSITIVE has been clicked.
+ */
+class ChromeDatePickerDialog extends android.app.DatePickerDialog {
+    private final OnDateSetListener mCallBack;
+
+    public ChromeDatePickerDialog(Context context,
+            OnDateSetListener callBack,
+            int year,
+            int monthOfYear,
+            int dayOfMonth) {
+        super(context, 0, null, year, monthOfYear, dayOfMonth);
+        mCallBack = callBack;
+    }
+
+    /**
+     * The superclass DatePickerDialog has null for OnDateSetListener so we need to call the
+     * listener manually.
+     */
+    @Override
+    public void onClick(DialogInterface dialog, int which) {
+        if (which == BUTTON_POSITIVE && mCallBack != null) {
+            DatePicker datePicker = getDatePicker();
+            datePicker.clearFocus();
+            mCallBack.onDateSet(datePicker, datePicker.getYear(),
+                    datePicker.getMonth(), datePicker.getDayOfMonth());
+        }
+    }
+}