Implement Permissions.query() and static PermissionStatus.

Source/modules/permissions/PermissionStatus.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "modules/permissions/PermissionStatus.h"
 
+#include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "modules/EventTargetModulesNames.h"
 
 namespace blink {
 
 // static
-PermissionStatus* PermissionStatus::create(ExecutionContext* executionContext)
+PermissionStatus* PermissionStatus::take(ScriptPromiseResolver* resolver, WebPermissionStatus* status, WebPermissionType type)
 {
-    return new PermissionStatus(executionContext);
+    PermissionStatus* permissionStatus = new PermissionStatus(resolver->executionContext(), type, *status);
+    delete status;
+    return permissionStatus;
 }
 
-PermissionStatus::PermissionStatus(ExecutionContext* executionContext)
+// static
+void PermissionStatus::dispose(WebPermissionStatus* status)
+{
+    if (status)
+        delete status;

[jochen (gone - plz use gerrit), 2015/03/10 13:16:42]

just delete status, it can cope with nullptr

[mlamouri (slow - plz ping), 2015/03/11 10:56:56]

Done.

+}
+
+PermissionStatus::PermissionStatus(ExecutionContext* executionContext, WebPermissionType permissionType, WebPermissionStatus permissionStatus)
     : ContextLifecycleObserver(executionContext)
+    , m_type(permissionType)
+    , m_status(permissionStatus)
 {
 }
 
 PermissionStatus::~PermissionStatus()
 {
 }
 
 const AtomicString& PermissionStatus::interfaceName() const
 {
     return EventTargetNames::PermissionStatus;
 }
 
 ExecutionContext* PermissionStatus::executionContext() const
 {
     return ContextLifecycleObserver::executionContext();
 }
 
 DEFINE_TRACE(PermissionStatus)
 {
     RefCountedGarbageCollectedEventTargetWithInlineData<PermissionStatus>::trace(visitor);
     ContextLifecycleObserver::trace(visitor);
 }
 
 String PermissionStatus::status() const
 {
-    // FIXME: implement.
-    return String();
+    switch (m_status) {
+    case WebPermissionStatusGranted:
+        return "granted";
+    case WebPermissionStatusDenied:
+        return "denied";
+    case WebPermissionStatusPrompt:
+        return "prompt";
+    }
+
+    ASSERT_NOT_REACHED();
+    return "denied";
 }
 
 } // namespace blink