[Payment] should show all accepted card icon in payment editor.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/ui/ExpandableGridView.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/ExpandableGridView.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/ExpandableGridView.java
new file mode 100644
index 0000000000000000000000000000000000000000..5cacde5b6af84a40cce213764dbde1447767ac66
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/ExpandableGridView.java
@@ -0,0 +1,35 @@
+// Copyright 2017 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.chrome.browser.payments.ui;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.GridView;
+
+/**
+ * This class is a customized GridView which draws items in multiple lines automatically.
+ */
+public class ExpandableGridView extends GridView {
+    /** Constructor for when the gridview is inflated from XML. */
+    public ExpandableGridView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        // GridView does not work well in a ScrollView when it uses WRAP_CONTENT.
+        // Instead, force it to use AT_MOST.
+        // https://stackoverflow.com/questions/4523609/grid-of-images-inside-scrollview
+        final int heightSize = MeasureSpec.getSize(heightMeasureSpec);
+        int heightSpec;
+        if (getLayoutParams().height == LayoutParams.WRAP_CONTENT) {
+            heightSpec = MeasureSpec.makeMeasureSpec(heightSize, MeasureSpec.AT_MOST);
+        } else {
+            heightSpec = heightMeasureSpec;
+        }
+
+        super.onMeasure(widthMeasureSpec, heightSpec);
+    }
+}