Revert of Refactor contact editor controller into its own class.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java
index 7e15a3aa3a0c7679777eff70241a2317ab5be038..ae91771e009d189bead8613feb266fa8828ff17d 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java
@@ -582,9 +582,13 @@
         }
     }
 
-    /** @return The editor user interface. */
-    public EditorView getEditorView() {
-        return mEditorView;
+    /**
+     * Displays the editor user interface for the given model.
+     *
+     * @param editorModel The description of the editor user interface to display.
+     */
+    public void showEditor(final EditorModel editorModel) {
+        mEditorView.show(editorModel);
     }
 
     /**
@@ -1012,6 +1016,11 @@
     }
 
     @VisibleForTesting
+    public Dialog getEditorViewForTest() {
+        return mEditorView;
+    }
+
+    @VisibleForTesting
     public ViewGroup getShippingAddressSectionForTest() {
         return mShippingAddressSection;
     }