Diagnostics: Add skeleton CPU card

Bug: 1125150
Test: browser_tests --gtest_filter=DiagnosticsApp*
Change-Id: I014cb179d78a34b07caa0eb2c8b3392f8a936248
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2419574
Commit-Queue: Zentaro Kavanagh <zentaro@chromium.org>
Reviewed-by: Bailey Berro <baileyberro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#808702}

chrome/test/data/webui/chromeos/diagnostics/diagnostics_test.js

@@ -80,6 +80,53 @@ suite('DiagnosticsAppTest', () => {
     // Verify the memory card is in the page.
     const memory = page.$$('#memoryCard');
     assertTrue(!!memory);
+
+    // Verify the CPU card is in the page.
+    const cpu = page.$$('#cpuCard');
+    assertTrue(!!cpu);
+  });
+});
+
+suite('CpuCardTest', () => {
+  /** @type {?HTMLElement} */
+  let cpuElement = null;
+
+  /** @type {?FakeSystemDataProvider} */
+  let provider = null;
+
+  suiteSetup(() => {
+    provider = new FakeSystemDataProvider();
+    setSystemDataProviderForTesting(provider);
+  });
+
+  setup(function() {
+    PolymerTest.clearBody();
+  });
+
+  teardown(function() {
+    if (cpuElement) {
+      cpuElement.remove();
+    }
+    cpuElement = null;
+    provider = null;
+  });
+
+  function initializeCpuCard() {
+    assertFalse(!!cpuElement);
+
+    // Add the CPU card to the DOM.
+    cpuElement = document.createElement('cpu-card');
+    assertTrue(!!cpuElement);
+    document.body.appendChild(cpuElement);
+
+    return flushTasks();
+  }
+
+  test('CpuCardPopulated', () => {
+    return initializeCpuCard().then(() => {
+      // TODO(zentaro): Update when strings are finalized.
+      assertEquals('CPU', cpuElement.$$('#cardTitle').textContent);
+    });
   });
 });
 

chromeos/components/diagnostics_ui/resources/BUILD.gn

@@ -10,6 +10,7 @@ import("//tools/polymer/html_to_js.gni")
 js_type_check("closure_compile_module") {
   is_polymer3 = true
   deps = [
+    ":cpu_card",
     ":diagnostics_app",
     ":diagnostics_card",
     ":diagnostics_types",
@@ -22,8 +23,15 @@ js_type_check("closure_compile_module") {
   ]
 }
 
+js_library("cpu_card") {
+  deps = [
+    "//third_party/polymer/v3_0/components-chromium/polymer:polymer_bundled",
+  ]
+}
+
 js_library("diagnostics_app") {
   deps = [
+    ":cpu_card",
     ":diagnostics_card",
     ":memory_card",
     ":overview_card",
@@ -76,6 +84,7 @@ js_library("overview_card") {
 
 html_to_js("web_components") {
   js_files = [
+    "cpu_card.js",
     "diagnostics_app.js",
     "diagnostics_card.js",
     "diagnostics_shared_css.js",

chromeos/components/diagnostics_ui/resources/cpu_card.html

+<style include="diagnostics-shared">
+</style>
+
+<diagnostics-card>
+  <div slot="title">
+    <!-- TODO(zentaro) Localize once strings are confirmed -->
+    <div id="cardTitle">CPU</div>
+  </div>
+  <div slot="body">
+  </div>
+</diagnostics-card>

chromeos/components/diagnostics_ui/resources/cpu_card.js

+// Copyright 2020 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.
+
+import './diagnostics_card.js';
+import './diagnostics_shared_css.js';
+
+import {html, Polymer} from 'chrome://resources/polymer/v3_0/polymer/polymer_bundled.min.js';
+import {SystemDataProviderInterface} from './diagnostics_types.js'
+import {getSystemDataProvider} from './mojo_interface_provider.js';
+
+/**
+ * @fileoverview
+ * 'cpu-card' shows information about the CPU.
+ */
+Polymer({
+  is: 'cpu-card',
+
+  _template: html`{__html_template__}`,
+
+  /**
+   * @private {?SystemDataProviderInterface}
+   */
+  systemDataProvider_: null,
+
+  /** @override */
+  created() {
+    this.systemDataProvider_ = getSystemDataProvider();
+  },
+
+});

chromeos/components/diagnostics_ui/resources/diagnostics_app.html

@@ -6,4 +6,6 @@
     <hr>
     <memory-card id="memoryCard"></memory-card>
     <hr>
+    <cpu-card id="cpuCard"></cpu-card>
+    <hr>
 </div>

chromeos/components/diagnostics_ui/resources/diagnostics_app.js

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import './cpu_card.js';
 import './diagnostics_shared_css.js';
 import './memory_card.js';
 import './overview_card.js';

chromeos/components/diagnostics_ui/resources/diagnostics_app_resources.grd

@@ -17,6 +17,7 @@
       <include name="IDR_DIAGNOSTICS_APP_INDEX_HTML" file="index.html" type="BINDATA" />
       <include name="IDR_DIAGNOSTICS_APP_JS" file="${root_gen_dir}/chromeos/components/diagnostics_ui/resources/diagnostics_app.js" use_base_dir="false" type="BINDATA"/>
       <include name="IDR_DIAGNOSTICS_CARD_JS" file="${root_gen_dir}/chromeos/components/diagnostics_ui/resources/diagnostics_card.js" use_base_dir="false" type="BINDATA"/>
+      <include name="IDR_DIAGNOSTICS_CPU_CARD_JS" file="${root_gen_dir}/chromeos/components/diagnostics_ui/resources/cpu_card.js" use_base_dir="false" type="BINDATA"/>
       <include name="IDR_DIAGNOSTICS_FAKE_DATA_JS" file="fake_data.js" type="BINDATA"/>
       <include name="IDR_DIAGNOSTICS_FAKE_METHOD_RESOLVER_JS" file="fake_method_resolver.js" type="BINDATA"/>
       <include name="IDR_DIAGNOSTICS_FAKE_SYSTEM_DATA_PROVIDER_JS" file="fake_system_data_provider.js" type="BINDATA"/>