Swap ownership of RulesetService and the content delegate

components/subresource_filter/content/browser/content_ruleset_service_delegate.cc

Index: components/subresource_filter/content/browser/content_ruleset_service_delegate.cc
diff --git a/components/subresource_filter/content/browser/content_ruleset_service_delegate.cc b/components/subresource_filter/content/browser/content_ruleset_service_delegate.cc
deleted file mode 100644
index 079798aaf55a1495d57225ad5a9e56eeaea2de73..0000000000000000000000000000000000000000
--- a/components/subresource_filter/content/browser/content_ruleset_service_delegate.cc
+++ /dev/null
@@ -1,96 +0,0 @@
-// Copyright 2016 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 "components/subresource_filter/content/browser/content_ruleset_service_delegate.h"
-
-#include <utility>
-
-#include "base/logging.h"
-#include "base/macros.h"
-#include "components/subresource_filter/content/common/subresource_filter_messages.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_source.h"
-#include "content/public/browser/notification_types.h"
-#include "content/public/browser/render_process_host.h"
-#include "ipc/ipc_platform_file.h"
-
-namespace subresource_filter {
-
-namespace {
-
-void SendRulesetToRenderProcess(base::File* file,
-                                content::RenderProcessHost* rph) {
-  DCHECK(rph);
-  DCHECK(file);
-  DCHECK(file->IsValid());
-  rph->Send(new SubresourceFilterMsg_SetRulesetForProcess(
-      IPC::TakePlatformFileForTransit(file->Duplicate())));
-}
-
-// The file handle is closed when the argument goes out of scope.
-void CloseFile(base::File) {}
-
-// Posts the |file| handle to the file thread so it can be closed.
-void CloseFileOnFileThread(base::File* file) {
-  if (!file->IsValid())
-    return;
-  content::BrowserThread::PostTask(content::BrowserThread::FILE, FROM_HERE,
-                                   base::Bind(&CloseFile, base::Passed(file)));
-}
-
-}  // namespace
-
-ContentRulesetServiceDelegate::ContentRulesetServiceDelegate() {
-  // Must rely on notifications as RenderProcessHostObserver::RenderProcessReady
-  // would only be called after queued IPC messages (potentially triggering a
-  // navigation) had already been sent to the new renderer.
-  notification_registrar_.Add(
-      this, content::NOTIFICATION_RENDERER_PROCESS_CREATED,
-      content::NotificationService::AllBrowserContextsAndSources());
-}
-
-ContentRulesetServiceDelegate::~ContentRulesetServiceDelegate() {
-  CloseFileOnFileThread(&ruleset_data_);
-}
-
-void ContentRulesetServiceDelegate::SetRulesetPublishedCallbackForTesting(
-    base::Closure callback) {
-  ruleset_published_callback_ = callback;
-}
-
-void ContentRulesetServiceDelegate::PostAfterStartupTask(base::Closure task) {
-  content::BrowserThread::PostAfterStartupTask(
-      FROM_HERE, content::BrowserThread::GetTaskRunnerForThread(
-                     content::BrowserThread::UI),
-      task);
-}
-
-void ContentRulesetServiceDelegate::PublishNewRulesetVersion(
-    base::File ruleset_data) {
-  DCHECK(ruleset_data.IsValid());
-  CloseFileOnFileThread(&ruleset_data_);
-  ruleset_data_ = std::move(ruleset_data);
-  for (auto it = content::RenderProcessHost::AllHostsIterator(); !it.IsAtEnd();
-       it.Advance()) {
-    SendRulesetToRenderProcess(&ruleset_data_, it.GetCurrentValue());
-  }
-
-  if (!ruleset_published_callback_.is_null())
-    ruleset_published_callback_.Run();
-}
-
-void ContentRulesetServiceDelegate::Observe(
-    int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  DCHECK_EQ(type, content::NOTIFICATION_RENDERER_PROCESS_CREATED);
-  if (!ruleset_data_.IsValid())
-    return;
-  SendRulesetToRenderProcess(
-      &ruleset_data_,
-      content::Source<content::RenderProcessHost>(source).ptr());
-}
-
-}  // namespace subresource_filter