[Payments] Add UI elements to secure branding for payments

chrome/android/java/res/layout/payment_request.xml

Index: chrome/android/java/res/layout/payment_request.xml
diff --git a/chrome/android/java/res/layout/payment_request.xml b/chrome/android/java/res/layout/payment_request.xml
index 5860eb923ae5f5c6579d07b2158ca491a1b6b685..13ea29f998e6368ddd1402b8891b9cc23f8a6ca6 100644
--- a/chrome/android/java/res/layout/payment_request.xml
+++ b/chrome/android/java/res/layout/payment_request.xml
@@ -32,12 +32,25 @@
 
     </org.chromium.chrome.browser.payments.ui.FadingEdgeScrollView>
 
-    <org.chromium.chrome.browser.widget.DualControlLayout
-        android:id="@+id/button_bar"
+    <LinearLayout
         android:layout_height="wrap_content"
-        android:layout_width="match_parent"
-        android:padding="@dimen/payments_section_large_spacing"
-        android:background="@android:color/white"
-        android:visibility="gone" />
+        android:layout_width="match_parent">
+
+        <ImageView
+            android:layout_width="72dp"
+            android:layout_height="20dp"
+            android:layout_gravity="center_vertical"
+            android:paddingStart="@dimen/payments_section_large_spacing"
+            android:src="@drawable/product_logo_name"
+            android:contentDescription="@null" />
+
+        <org.chromium.chrome.browser.widget.DualControlLayout
+            android:id="@+id/button_bar"
+            android:layout_height="wrap_content"
+            android:layout_width="0dp"
+            android:layout_weight="1"
+            android:padding="@dimen/payments_section_large_spacing"
+            android:visibility="gone" />
+    </LinearLayout>
 
 </org.chromium.chrome.browser.widget.BoundedLinearLayout>