[Downloads] Add a horizontal material-styled ProgressBar

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

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2016 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. -->
 
 <!-- Represents a single item in the DownloadHistoryAdapterView. --> 
 <view class="org.chromium.chrome.browser.download.ui.DownloadItemView"
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:chrome="http://schemas.android.com/apk/res-auto"
     android:layout_width="wrap_content"
@@ skipping 78 matching lines @@
                     android:id="@+id/filename_progress_view"
                     android:layout_width="wrap_content"
                     android:layout_height="18dp"
                     android:layout_alignParentTop="true"
                     android:layout_alignParentStart="true"
                     android:layout_toStartOf="@+id/pause_button"
                     android:singleLine="true"
                     android:textColor="@color/default_text_color"
                     android:textSize="14sp" />
 
-            <ProgressBar
+            <org.chromium.chrome.browser.widget.MaterialProgressBar
                     android:id="@+id/download_progress_view"
-                    style="@style/DownloadProgressBar"
                     android:layout_width="wrap_content"
                     android:layout_height="2dp"
                     android:layout_marginTop="5dp"
                     android:layout_marginBottom="5dp"
                     android:layout_below="@+id/filename_progress_view"
                     android:layout_alignParentStart="true"
-                    android:layout_toStartOf="@+id/pause_button" />
+                    android:layout_toStartOf="@+id/pause_button"
+                    chrome:colorBackground="@color/google_grey_400"
+                    chrome:colorProgress="@color/light_active_color"
+                    chrome:colorSecondaryProgress="@color/google_grey_600" />
 
             <TextView
                     android:id="@+id/status_view"
                     android:layout_width="wrap_content"
                     android:layout_height="18dp"
                     android:layout_marginEnd="16dp"
                     android:layout_marginTop="0dp"
                     android:layout_alignParentBottom="true"
                     android:layout_alignParentStart="true"
                     android:layout_toStartOf="@+id/pause_button"
@@ skipping 26 matching lines @@
                     android:layout_alignParentBottom="true"
                     android:layout_alignParentEnd="true"
                     android:padding="8dp"
                     android:background="?attr/selectableItemBackground"
                     android:contentDescription="@string/download_notification_cancel_button"
                     android:src="@drawable/btn_close"
                     chrome:tint="@color/google_grey_600" />
         </RelativeLayout>
     </LinearLayout>
 </view>