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

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2019 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<!-- We used nested LinearLayouts here because it was harder to align the text vertically with
     the center of the image using a single RelativeLayout. A ConstraintLayout could be a better
     choice here, but it isn't available to us, yet. -->
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:paddingHorizontal="@dimen/context_menu_padding">

    <FrameLayout
        android:id="@+id/menu_header_image_container"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="@dimen/context_menu_padding">

        <!-- Circle background for when we have a favicon or monogram -->
        <View
            android:id="@+id/circle_background"
            android:background="@drawable/oval_shape"
            android:backgroundTint="@color/context_menu_header_circle_bg_color"
            android:layout_width="@dimen/context_menu_header_circle_bg_diameter"
            android:layout_height="@dimen/context_menu_header_circle_bg_diameter"
            android:layout_margin="@dimen/context_menu_header_circle_bg_margin"
            android:visibility="invisible" />

        <ImageView
            android:id="@+id/menu_header_image"
            android:layout_width="@dimen/context_menu_header_image_max_size"
            android:layout_height="@dimen/context_menu_header_image_max_size"
            android:scaleType="centerInside"
            android:importantForAccessibility="no"
            android:src="@color/thumbnail_placeholder_on_primary_bg" />
    </FrameLayout>

    <include
        android:id="@+id/title_and_url"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        layout="@layout/context_menu_header_text"/>
</LinearLayout>