Remove extensions::ServiceRegistrationManager.

extensions/browser/mojo/service_registration_manager.cc

-// 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 "extensions/browser/mojo/service_registration_manager.h"
-
-#include "base/command_line.h"
-#include "base/lazy_instance.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/render_frame_host.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/site_instance.h"
-#include "device/serial/serial_service_impl.h"
-#include "extensions/browser/extension_registry.h"
-#include "extensions/browser/process_map.h"
-#include "extensions/common/constants.h"
-#include "extensions/common/extension_api.h"
-#include "extensions/common/switches.h"
-
-namespace extensions {
-namespace {
-
-base::LazyInstance<ServiceRegistrationManager> g_lazy_instance =
-    LAZY_INSTANCE_INITIALIZER;
-
-ServiceRegistrationManager* g_test_instance = nullptr;
-
-}  // namespace
-
-ServiceRegistrationManager::ServiceRegistrationManager() {
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableMojoSerialService)) {
-    AddServiceFactory(
-        "serial",
-        base::Bind(device::SerialServiceImpl::CreateOnMessageLoop,
-                   content::BrowserThread::GetMessageLoopProxyForThread(
-                       content::BrowserThread::FILE),
-                   content::BrowserThread::GetMessageLoopProxyForThread(
-                       content::BrowserThread::IO),
-                   content::BrowserThread::GetMessageLoopProxyForThread(
-                       content::BrowserThread::UI)));
-  }
-}
-
-ServiceRegistrationManager::~ServiceRegistrationManager() {
-}
-
-ServiceRegistrationManager* ServiceRegistrationManager::GetSharedInstance() {
-  if (g_test_instance)
-    return g_test_instance;
-  return g_lazy_instance.Pointer();
-}
-
-void ServiceRegistrationManager::AddServicesToRenderFrame(
-    content::RenderFrameHost* render_frame_host) {
-  content::BrowserContext* context =
-      render_frame_host->GetProcess()->GetBrowserContext();
-  content::SiteInstance* site_instance = render_frame_host->GetSiteInstance();
-  GURL extension_url = site_instance->GetSiteURL();
-  ExtensionRegistry* registry = ExtensionRegistry::Get(context);
-
-  // TODO(sammc): Handle content scripts and web pages that have access to some
-  // extension APIs.
-  if (!extension_url.SchemeIs(kExtensionScheme)) {
-    return;
-  }
-
-  const Extension* extension =
-      registry->enabled_extensions().GetByID(extension_url.host());
-  if (!extension)
-    return;
-
-  Feature::Context context_type =
-      ProcessMap::Get(context)->GetMostLikelyContextType(
-          extension, render_frame_host->GetProcess()->GetID());
-  for (const auto& factory : factories_) {
-    auto availability = ExtensionAPI::GetSharedInstance()->IsAvailable(
-        factory.first, extension, context_type, extension_url);
-    if (availability.is_available()) {
-      AddServiceToServiceRegistry(render_frame_host->GetServiceRegistry(),
-                                  factory.second.get());
-    }
-  }
-}
-
-void ServiceRegistrationManager::AddServiceToServiceRegistry(
-    content::ServiceRegistry* service_registry,
-    internal::ServiceFactoryBase* factory) {
-  factory->Register(service_registry);
-}
-
-// static
-void ServiceRegistrationManager::SetServiceRegistrationManagerForTest(
-    ServiceRegistrationManager* service_registration_manager) {
-  g_test_instance = service_registration_manager;
-}
-
-}  // namespace extensions