Delete fixed size for recommend apps screen and recommend app list view

Bug: 1002107
Change-Id: I51f7cb640b9e7438b407cbdcfa9afaf4e57c4d49
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1862453Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Commit-Queue: Thomas Tellier <tellier@google.com>
Cr-Commit-Position: refs/heads/master@{#706172}

chrome/browser/resources/chromeos/arc_support/recommend_app_list_view.css

@@ -18,7 +18,7 @@ body {
   max-height: 300px;
   overflow: auto;
   padding: 8px 64px 0;
-  width: 640px;
+  width: 100%;
 }
 
 .shadow {
@@ -41,7 +41,7 @@ body {
 }
 
 #recommend-apps-container .item:not(:nth-child(3n)) {
-  margin-right: 32px;
+  margin-inline-end: 32px;
 }
 
 #recommend-apps-container .item:nth-child(3n+1) {

chrome/browser/resources/chromeos/login/recommend_apps.css

@@ -2,18 +2,6 @@
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file. */
 
-:root {
-  color: #333;
-  font: 13px Roboto, sans-serif;
-  font-weight: 400; /* roboto-regular */
-  height: 640px;
-  width: 768px;
-}
-
-[slot='footer'] {
-  padding: 18px 64px 0;
-}
-
 #recommend-apps-skip-button {
   color: rgba(0, 0, 0, 0.54);
   padding-inline-end: 6px;