Use fake Input Device Settings with chrome://device-emulator

chrome/browser/resources/chromeos/emulator/input_device_settings.html

Index: chrome/browser/resources/chromeos/emulator/input_device_settings.html
diff --git a/chrome/browser/resources/chromeos/emulator/input_device_settings.html b/chrome/browser/resources/chromeos/emulator/input_device_settings.html
new file mode 100644
index 0000000000000000000000000000000000000000..871e31e50b7ce23ba1df3031d7582cda9e9fc3b6
--- /dev/null
+++ b/chrome/browser/resources/chromeos/emulator/input_device_settings.html
@@ -0,0 +1,37 @@
+<link rel="import" href="chrome://resources/html/polymer.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/iron-collapse/iron-collapse.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout-classes.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/paper-toggle-button/paper-toggle-button.html">
+<link rel="import" href="icons.html">
+<link rel="import" href="shared_styles.html">
+
+<dom-module id="input-device-settings">
+  <template>
+    <!-- TODO(michaelpg): Wrap the line below to fit within the 80-char limit.
+         See https://github.com/Polymer/polymer/pull/3668. -->
+    <style include="device-emulator-shared-styles iron-flex iron-flex-alignment iron-positioning">
+      .content > *:not(:first-child) {
+        margin-top: 10px;
+      }
+    </style>
+    <div class="layout vertical">
+      <div class="element-label">
+        <paper-icon-button icon="device-emulator:mouse"></paper-icon-button>
+        Input Devices
+      </div>
+      <div class="content">
+        <paper-toggle-button id="touchpad" on-change="onTouchpadChange">
+          Touchpad
+        </paper-toggle-button>
+        <paper-toggle-button id="mouse" on-change="onMouseChange">
+          Mouse
+        </paper-toggle-button>
+        <iron-collapse id="changeDescription">
+          Any existing Settings windows must be reloaded to reflect these
+          changes.
+        </iron-collapse>
+      </div>
+    </div>
+  </template>
+  <script src="input_device_settings.js"></script>
+</dom-module>