Revert of Introduce the Blink NotificationService, move permission checks there

content/browser/notifications/platform_notification_context_impl.cc

Index: content/browser/notifications/platform_notification_context_impl.cc
diff --git a/content/browser/notifications/platform_notification_context_impl.cc b/content/browser/notifications/platform_notification_context_impl.cc
index 9151f893689fd27c9dec9cb7b11cad83d8af7b51..99c9591c1fbbb000f8fd7413b123dc777fc0743f 100644
--- a/content/browser/notifications/platform_notification_context_impl.cc
+++ b/content/browser/notifications/platform_notification_context_impl.cc
@@ -6,14 +6,10 @@
 
 #include "base/bind_helpers.h"
 #include "base/files/file_util.h"
-#include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
-#include "base/stl_util.h"
 #include "base/threading/sequenced_worker_pool.h"
-#include "content/browser/notifications/blink_notification_service_impl.h"
 #include "content/browser/notifications/notification_database.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
-#include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/notification_database_data.h"
@@ -34,8 +30,7 @@
     const scoped_refptr<ServiceWorkerContextWrapper>& service_worker_context)
     : path_(path),
       browser_context_(browser_context),
-      service_worker_context_(service_worker_context),
-      weak_factory_to_io_(this) {
+      service_worker_context_(service_worker_context) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 }
 
@@ -99,44 +94,9 @@
 void PlatformNotificationContextImpl::ShutdownOnIO() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
-  services_.clear();
-
   // |service_worker_context_| may be NULL in tests.
   if (service_worker_context_)
     service_worker_context_->RemoveObserver(this);
-}
-
-void PlatformNotificationContextImpl::CreateService(
-    int render_process_id,
-    mojo::InterfaceRequest<blink::mojom::NotificationService> request) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::Bind(&PlatformNotificationContextImpl::CreateServiceOnIO,
-                 weak_factory_to_io_.GetWeakPtr(), render_process_id,
-                 browser_context_->GetResourceContext(),
-                 base::Passed(&request)));
-}
-
-void PlatformNotificationContextImpl::CreateServiceOnIO(
-    int render_process_id,
-    ResourceContext* resource_context,
-    mojo::InterfaceRequest<blink::mojom::NotificationService> request) {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  services_.push_back(base::WrapUnique(new BlinkNotificationServiceImpl(
-      this, resource_context, render_process_id, std::move(request))));
-}
-
-void PlatformNotificationContextImpl::RemoveService(
-    BlinkNotificationServiceImpl* service) {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  auto services_to_remove = std::remove_if(
-      services_.begin(), services_.end(),
-      [service](const std::unique_ptr<BlinkNotificationServiceImpl>& ptr) {
-        return ptr.get() == service;
-      });
-
-  services_.erase(services_to_remove, services_.end());
 }
 
 void PlatformNotificationContextImpl::ReadNotificationData(