Use dropdown list for admin areas in pr form.

chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorFieldModel.java

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorFieldModel.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorFieldModel.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorFieldModel.java
index 9ecfb1a93d94641dbd322e5d13aeaaf94a53a693..05dceb8dc0745bdea4c4b3b110c32203b9136e98 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorFieldModel.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorFieldModel.java
@@ -198,6 +198,10 @@ public class EditorFieldModel {
         return result;
     }
 
+    public static EditorFieldModel createDropdown() {
+        return new EditorFieldModel(INPUT_TYPE_HINT_DROPDOWN);
+    }
+
     /**
      * Constructs a dropdown field model.
      *
@@ -336,11 +340,15 @@ public class EditorFieldModel {
         return mValueIconGenerator;
     }
 
-    private boolean isTextField() {
+    public boolean isTextField() {
         return mInputTypeHint >= INPUT_TYPE_HINT_MIN_INCLUSIVE
                 && mInputTypeHint < INPUT_TYPE_HINT_MAX_TEXT_INPUT_EXCLUSIVE;
     }
 
+    public boolean isDropdownField() {
+        return mInputTypeHint == INPUT_TYPE_HINT_DROPDOWN;
+    }
+
     /** @return The type of input, for example, INPUT_TYPE_HINT_PHONE. */
     public int getInputTypeHint() {
         return mInputTypeHint;