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

chrome/browser/permissions/permission_uma_util.cc

Index: chrome/browser/permissions/permission_uma_util.cc
diff --git a/chrome/browser/permissions/permission_uma_util.cc b/chrome/browser/permissions/permission_uma_util.cc
index da9e4f1471ddf000dbf74c01c44ad6460328c238..05b30f522a926a73e84d6500d1cbff91bfda21fa 100644
--- a/chrome/browser/permissions/permission_uma_util.cc
+++ b/chrome/browser/permissions/permission_uma_util.cc
@@ -519,6 +519,10 @@ void PermissionUmaUtil::PermissionPromptAcceptedWithPersistenceToggle(
       UMA_HISTOGRAM_BOOLEAN("Permissions.Prompt.Accepted.Persisted.Flash",
                             toggle_enabled);
       break;
+
+    case CONTENT_SETTINGS_TYPE_SENSORS:
+      // TODO(riju): when UMA is ready.
+      break;
     // The user is not prompted for these permissions, thus there is no accept
     // recorded for them.
     default:
@@ -568,6 +572,9 @@ void PermissionUmaUtil::PermissionPromptDeniedWithPersistenceToggle(
       UMA_HISTOGRAM_BOOLEAN("Permissions.Prompt.Denied.Persisted.Flash",
                             toggle_enabled);
       break;
+    case CONTENT_SETTINGS_TYPE_SENSORS:
+      // TODO(riju): when UMA is ready.
+      break;
     // The user is not prompted for these permissions, thus there is no deny
     // recorded for them.
     default:
@@ -656,6 +663,15 @@ void PermissionUmaUtil::RecordPermissionAction(
       UMA_HISTOGRAM_ENUMERATION("Permissions.Action.MidiSysEx", action,
                                 PermissionAction::NUM);
       break;
+    // TODO(riju) : when UMA is ready.
+    case CONTENT_SETTINGS_TYPE_SENSORS:
+      /*
+      PERMISSION_ACTION_UMA(secure_origin, "Permissions.Action.Sensors",
+                            "Permissions.Action.SecureOrigin.Sensors",
+                            "Permissions.Action.InsecureOrigin.Sensors",
+                            action);
+      */
+      break;
     case CONTENT_SETTINGS_TYPE_PUSH_MESSAGING:
       UMA_HISTOGRAM_ENUMERATION("Permissions.Action.PushMessaging", action,
                                 PermissionAction::NUM);