[sensors] Add Permission guard to the generic sensor apis.

chrome/browser/resources/options/content_settings.html

Index: chrome/browser/resources/options/content_settings.html
diff --git a/chrome/browser/resources/options/content_settings.html b/chrome/browser/resources/options/content_settings.html
index 1ce3c99e9810a9d7f303fd4537aacd9af1feabfd..b2d5b60cda2690291ece43a73d2fd0fb3e4ca78d 100644
--- a/chrome/browser/resources/options/content_settings.html
+++ b/chrome/browser/resources/options/content_settings.html
@@ -554,6 +554,34 @@
         </div>
       </div>
     </section>
+    <!-- Sensors filter -->
+    <section>
+      <h3 i18n-content="sensorsHeader"></h3>
+      <div>
+        <div class="radio">
+          <label>
+            <input type="radio" name="sensors" value="allow">
+            <span i18n-content="sensorsAllow"></span>
+          </label>
+        </div>
+        <div class="radio">
+          <label>
+            <input type="radio" name="sensors" value="ask">
+            <span i18n-content="sensorsAsk"></span>
+          </label>
+        </div>
+        <div class="radio">
+          <label>
+            <input type="radio" name="sensors" value="block">
+            <span i18n-content="sensorsBlock"></span>
+          </label>
+        </div>
+        <div class="settings-row">
+          <button class="exceptions-list-button" contentType="sensors"
+              i18n-content="manageExceptions"></button>
+        </div>
+      </div>
+    </section>
     <!-- Push messaging filter -->
     <section id="experimental-push-messaging-settings" hidden="true">
       <h3 i18n-content="pushMessagingHeader"></h3>