Implement Permissions.query() and static PermissionStatus.

Source/web/WebLocalFrameImpl.cpp

Index: Source/web/WebLocalFrameImpl.cpp
diff --git a/Source/web/WebLocalFrameImpl.cpp b/Source/web/WebLocalFrameImpl.cpp
index 657ef0749a48fe71afbb43b7a7abc8ee5a761b61..707db09c93c1b5403f489e295eac47e77232bf14 100644
--- a/Source/web/WebLocalFrameImpl.cpp
+++ b/Source/web/WebLocalFrameImpl.cpp
@@ -151,6 +151,7 @@
 #include "core/timing/Performance.h"
 #include "modules/geolocation/GeolocationController.h"
 #include "modules/notifications/NotificationPermissionClient.h"
+#include "modules/permissions/PermissionController.h"
 #include "modules/presentation/PresentationController.h"
 #include "modules/push_messaging/PushController.h"
 #include "modules/screen_orientation/ScreenOrientationController.h"
@@ -1607,6 +1608,8 @@ void WebLocalFrameImpl::setCoreFrame(PassRefPtrWillBeRawPtr<LocalFrame> frame)
             ScreenOrientationController::provideTo(*m_frame, m_client ? m_client->webScreenOrientationClient() : nullptr);
         if (RuntimeEnabledFeatures::presentationEnabled())
             PresentationController::provideTo(*m_frame, m_client ? m_client->presentationClient() : nullptr);
+        if (RuntimeEnabledFeatures::permissionsEnabled())
+            PermissionController::provideTo(*m_frame, m_client ? m_client->permissionClient() : nullptr);
     }
 }