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

chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePermissionsFetcher.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePermissionsFetcher.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePermissionsFetcher.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePermissionsFetcher.java
index 6cd00bb5d679c59148a9c294825fa814e863d2b7..842ad75a34ae0a5121e7bf5a2b6b0efb35fdd906 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePermissionsFetcher.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePermissionsFetcher.java
@@ -53,6 +53,8 @@ public class WebsitePermissionsFetcher {
         queue.add(new GeolocationInfoFetcher());
         // Midi sysex access permission is per-origin and per-embedder.
         queue.add(new MidiInfoFetcher());
+        // Sensor access permission is per-origin and per-embedder.
+        queue.add(new SensorInfoFetcher());
         // Cookies are stored per-host.
         queue.add(new CookieExceptionInfoFetcher());
         // Keygen permissions are per-origin.
@@ -248,6 +250,18 @@ public class WebsitePermissionsFetcher {
         }
     }
 
+    private class SensorInfoFetcher extends Task {
+        @Override
+        public void run() {
+            for (SensorInfo info : WebsitePreferenceBridge.getSensorInfo()) {
+                WebsiteAddress origin = WebsiteAddress.create(info.getOrigin());
+                if (origin == null) continue;
+                WebsiteAddress embedder = WebsiteAddress.create(info.getEmbedder());
+                findOrCreateSite(origin, embedder).setSensorInfo(info);
+            }
+        }
+    }
+
     private class PopupExceptionInfoFetcher extends Task {
         @Override
         public void run() {