Revert of Remove content::NotificationPermissionDispatcher.

third_party/WebKit/Source/modules/notifications/NotificationManager.cpp

Index: third_party/WebKit/Source/modules/notifications/NotificationManager.cpp
diff --git a/third_party/WebKit/Source/modules/notifications/NotificationManager.cpp b/third_party/WebKit/Source/modules/notifications/NotificationManager.cpp
index 265a2d23e868fc7466f01c43e25f4a034b62f8e1..ea8a6f7de4d7595c2eb417e7e9b6d32d8583342b 100644
--- a/third_party/WebKit/Source/modules/notifications/NotificationManager.cpp
+++ b/third_party/WebKit/Source/modules/notifications/NotificationManager.cpp
@@ -4,18 +4,10 @@
 
 #include "modules/notifications/NotificationManager.h"
 
-#include "bindings/core/v8/ScriptPromiseResolver.h"
-#include "bindings/core/v8/ScriptState.h"
-#include "modules/notifications/Notification.h"
-#include "modules/notifications/NotificationPermissionCallback.h"
-#include "modules/permissions/Permissions.h"
-#include "platform/UserGestureIndicator.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "public/platform/InterfaceProvider.h"
 #include "public/platform/Platform.h"
-#include "public/platform/modules/permissions/permission.mojom-blink.h"
 #include "public/platform/modules/permissions/permission_status.mojom-blink.h"
-#include "wtf/Functional.h"
 
 namespace blink {
 
@@ -43,54 +35,27 @@
 NotificationManager::NotificationManager(ExecutionContext* executionContext)
     : ContextLifecycleObserver(executionContext)
 {
+    Platform::current()->interfaceProvider()->getInterface(mojo::GetProxy(&m_service));
 }
 
 NotificationManager::~NotificationManager()
 {
 }
 
-mojom::blink::PermissionStatus NotificationManager::permissionStatus()
+mojom::blink::PermissionStatus NotificationManager::permissionStatus() const
 {
-    if (!m_notificationService)
-        Platform::current()->interfaceProvider()->getInterface(mojo::GetProxy(&m_notificationService));
+    mojom::blink::PermissionStatus permissionStatus;
 
-    mojom::blink::PermissionStatus permissionStatus;
-    const bool result = m_notificationService->GetPermissionStatus(getExecutionContext()->getSecurityOrigin()->toString(), &permissionStatus);
+    const bool result =
+        m_service->GetPermissionStatus(getExecutionContext()->getSecurityOrigin()->toString(), &permissionStatus);
     DCHECK(result);
 
     return permissionStatus;
 }
 
-ScriptPromise NotificationManager::requestPermission(ScriptState* scriptState, NotificationPermissionCallback* deprecatedCallback)
-{
-    ExecutionContext* context = scriptState->getExecutionContext();
-
-    if (!m_permissionService)
-        Permissions::connectToService(context, mojo::GetProxy(&m_permissionService));
-
-    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
-    ScriptPromise promise = resolver->promise();
-
-    m_permissionService->RequestPermission(
-        mojom::blink::PermissionName::NOTIFICATIONS, context->getSecurityOrigin(), UserGestureIndicator::processingUserGesture(),
-        convertToBaseCallback(WTF::bind(&NotificationManager::onPermissionRequestComplete, wrapPersistent(this), wrapPersistent(resolver), wrapPersistent(deprecatedCallback))));
-
-    return promise;
-}
-
 void NotificationManager::contextDestroyed()
 {
-    m_notificationService.reset();
-    m_permissionService.reset();
-}
-
-void NotificationManager::onPermissionRequestComplete(ScriptPromiseResolver* resolver, NotificationPermissionCallback* deprecatedCallback, mojom::blink::PermissionStatus status)
-{
-    String statusString = Notification::permissionString(status);
-    if (deprecatedCallback)
-        deprecatedCallback->handleEvent(statusString);
-
-    resolver->resolve(statusString);
+    m_service.reset();
 }
 
 DEFINE_TRACE(NotificationManager)