Added code to disable save button if no text is present in name or number field

chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillCreditCardEditor.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillCreditCardEditor.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillCreditCardEditor.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillCreditCardEditor.java
index 3b441fc8c9416c79abf1b720657c2c72e51d3599..a015cfd3e322573dbb6ecf7fa0458294d9879f36 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillCreditCardEditor.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillCreditCardEditor.java
@@ -12,8 +12,6 @@ import android.text.TextWatcher;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.AdapterView.OnItemSelectedListener;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.EditText;
@@ -30,8 +28,7 @@ import java.util.Locale;
 /**
  * Provides the Java-ui for editing a Credit Card autofill entry.
  */
-public class AutofillCreditCardEditor extends Fragment implements OnItemSelectedListener,
-        TextWatcher {
+public class AutofillCreditCardEditor extends Fragment implements TextWatcher {
     // GUID of the profile we are editing.
     // May be the empty string if creating a new profile.
     private String mGUID;
@@ -88,17 +85,6 @@ public class AutofillCreditCardEditor extends Fragment implements OnItemSelected
     }
 
     @Override
-    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
-        if ((parent == mExpirationYear && position != mInitialExpirationYearPos)
-                || (parent == mExpirationMonth && position != mInitialExpirationMonthPos)) {
-            enableSaveButton();
-        }
-    }
-
-    @Override
-    public void onNothingSelected(AdapterView<?> parent) {}
-
-    @Override
     public void afterTextChanged(Editable s) {}
 
     @Override
@@ -106,7 +92,7 @@ public class AutofillCreditCardEditor extends Fragment implements OnItemSelected
 
     @Override
     public void onTextChanged(CharSequence s, int start, int before, int count) {
-        enableSaveButton();
+        updateSaveButtonState();
     }
 
     void addSpinnerAdapters() {
@@ -228,13 +214,13 @@ public class AutofillCreditCardEditor extends Fragment implements OnItemSelected
         // Listen for changes to inputs. Enable the save button after something has changed.
         mNameText.addTextChangedListener(this);
         mNumberText.addTextChangedListener(this);
-        mExpirationMonth.setOnItemSelectedListener(this);
-        mExpirationYear.setOnItemSelectedListener(this);
     }
 
-    private void enableSaveButton() {
+    private void updateSaveButtonState() {
         Button button = (Button) getView().findViewById(R.id.autofill_credit_card_save);
-        button.setEnabled(true);
+        boolean enabled = mNameText.getEditableText().toString().trim().length() > 0
+                || mNumberText.getEditableText().toString().trim().length() > 0;
+        button.setEnabled(enabled);
     }
 
     /**