Content API changes to integrate base/graph.

content/public/browser/graph/browser_context_dependency_manager.cc

+// Copyright (c) 2013 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 "content/public/browser/graph/browser_context_dependency_manager.h"
+
+#include "base/bind.h"
+#include "base/callback.h"
+#include "base/memory/ref_counted.h"
+#include "content/public/browser/browser_context.h"
+
+namespace content {
+
+namespace {
+
+class ShutdownManager : public base::RefCounted<ShutdownManager> {
+ public:
+  explicit ShutdownManager(const base::Closure& completion_callback)
+      : pending_(2),
+        completion_callback_(completion_callback) {}
+
+  void OnShutdownComplete() {
+    --pending_;
+    if (pending_ == 0)
+      completion_callback_.Run();
+  }
+
+ private:
+  friend class base::RefCounted<ShutdownManager>;
+
+  ~ShutdownManager() {}
+
+  size_t pending_;
+  base::Closure completion_callback_;
+};
+
+}  // namespace
+
+BrowserContextDependencyManager::BrowserContextDependencyManager(
+    scoped_ptr<graph::KeyedDependencyManager<BrowserContext*> >
+        default_dependency_manager,
+    scoped_ptr<graph::KeyedDependencyManager<BrowserContext*> >
+        off_the_record_dependency_manager)
+    : default_dependency_manager_(default_dependency_manager.Pass()),
+      off_the_record_dependency_manager_(
+          off_the_record_dependency_manager.Pass()) {}
+
+BrowserContextDependencyManager::~BrowserContextDependencyManager() {}
+
+void BrowserContextDependencyManager::Startup(
+    BrowserContext* browser_context,
+    BrowserContextDependencyManager::StartupCallback completion_callback) {
+  if (browser_context->IsOffTheRecord()) {
+    off_the_record_dependency_manager_->Startup(
+        browser_context, completion_callback);
+  } else {
+    default_dependency_manager_->Startup(browser_context, completion_callback);
+  }
+}
+
+// static
+void BrowserContextDependencyManager::Shutdown(
+    scoped_ptr<BrowserContextDependencyManager> instance,
+    const base::Closure& completion_callback) {
+  scoped_refptr<ShutdownManager>
+      shutdown_manager(new ShutdownManager(completion_callback));
+
+  graph::KeyedDependencyManager<BrowserContext*>::Shutdown(
+      instance->off_the_record_dependency_manager_.Pass(),
+      base::Bind(&ShutdownManager::OnShutdownComplete, shutdown_manager));
+  graph::KeyedDependencyManager<BrowserContext*>::Shutdown(
+      instance->default_dependency_manager_.Pass(),
+      base::Bind(&ShutdownManager::OnShutdownComplete, shutdown_manager));
+}
+
+}  // namespace content