[Downloads UI] Implement search

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

Index: chrome/android/java/res/layout/search_toolbar.xml
diff --git a/chrome/android/java/res/layout/search_toolbar.xml b/chrome/android/java/res/layout/search_toolbar.xml
new file mode 100644
index 0000000000000000000000000000000000000000..843be256717c04e5d137687c3da8bf91b1086baa
--- /dev/null
+++ b/chrome/android/java/res/layout/search_toolbar.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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. -->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:chrome="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/search_view"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="horizontal"
+    android:visibility="gone" >
+
+    <EditText
+        android:id="@+id/search_text"
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
+        android:layout_weight="1"
+        android:background="@null"
+        android:imeOptions="flagNoExtractUi|actionSearch"
+        android:inputType="text"
+        android:singleLine="true"
+        android:textColor="@color/default_text_color"
+        android:textSize="16sp" />
+
+    <org.chromium.chrome.browser.widget.TintedImageButton
+        android:id="@+id/clear_text_button"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        android:src="@drawable/btn_delete_url"
+        android:background="@null"
+        android:scaleType="center"
+        android:contentDescription="@string/accessibility_toolbar_btn_delete_url"
+        android:visibility="invisible"
+        chrome:tint="@color/dark_mode_tint" />
+
+</LinearLayout>