chromium/chrome/browser/resources/chromeos/multidevice_internals/phone_status_model_form.html

<style include="cr-shared-style shared-style">
  :host {
    display: flex;
    flex: 0 0 100%;
  }

  .phone-status-property {
    flex-basis: 100%;
    justify-content: center;
  }

  #phoneStatusPropertiesColumn {
    flex: 2;
    flex-wrap: wrap;
  }

  select {
    margin-bottom: 10px;
    width: 100%;
  }
</style>

<div class="column">
  <cr-button on-click="setFakePhoneModel_" class="internals-button">
    <span class="emphasize">Change Phone Status</span>
  </cr-button>
  <div class="label">
    <span class="emphasize">Note:</span> Click the button above to propagate all
    phone status values selected on the right hand side to the fake phonehub
    manager.
  </div>
</div>
<div id="phoneStatusPropertiesColumn" class="column">
  <div class="phone-status-property">
    <div class="label">
      Mobile Status
    </div>
    <select id="mobileStatusList" class="md-select"
        on-change="onMobileStatusSelected_">
      <template is="dom-repeat" items="[[mobileStatusList_]]">
        <option>[[getMobileStatusName_(item)]]</option>
      </template>
    </select>
  </div>
  <div class="phone-status-property">
    <div class="label">
      Signal Strength
    </div>
    <select id="signalStrengthList" class="md-select"
        on-change="onSignalStrengthSelected_">
      <template is="dom-repeat" items="[[signalStrengthList_]]">
        <option>[[getSignalStrengthName_(item)]]</option>
      </template>
    </select>
  </div>
  <div class="phone-status-property">
    <div class="label">
      Charging State
    </div>
    <select id="chargingStateList" class="md-select"
        on-change="onChargingStateSelected_">
      <template is="dom-repeat" items="[[chargingStateList_]]">
        <option>[[getChargingStateName_(item)]]</option>
      </template>
    </select>
  </div>
  <div class="phone-status-property">
    <div class="label">
      Battery Saver
    </div>
    <select id="batterySaverStateList" class="md-select"
        on-change="onBatterySaverStateSelected_">
      <template is="dom-repeat" items="[[batterySaverStateList_]]">
        <option>[[getBatterySaverStateName_(item)]]</option>
      </template>
    </select>
  </div>
  <div class="phone-status-property">
    <div class="label">
      Mobile Provider
    </div>
    <cr-input value="{{mobileProvider_}}">
    </cr-input>
  </div>
  <div class="phone-status-property">
    <div class="label">
      Battery Percentage
    </div>
    <cr-input id="batteryPercentageInput" type="number"
        min="0" max="100" value="{{batteryPercentage_}}"
        on-change="onBatteryPercentageInputChanged_"
        auto-validate error-message="Must be [0, 100]">
    </cr-input>
  </div>
</div>