Remove all blimp engine code

blimp/engine/common/blimp_browser_context.cc

-// Copyright 2015 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 "blimp/engine/common/blimp_browser_context.h"
-
-#include "base/bind.h"
-#include "base/environment.h"
-#include "base/files/file_util.h"
-#include "base/memory/ptr_util.h"
-#include "base/nix/xdg_util.h"
-#include "base/path_service.h"
-#include "blimp/engine/app/blimp_permission_manager.h"
-#include "components/metrics/metrics_service.h"
-#include "components/metrics/stability_metrics_helper.h"
-#include "components/pref_registry/pref_registry_syncable.h"
-#include "components/prefs/in_memory_pref_store.h"
-#include "components/prefs/pref_service.h"
-#include "components/prefs/pref_service_factory.h"
-#include "content/public/browser/background_sync_controller.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/storage_partition.h"
-#include "content/public/common/content_switches.h"
-
-namespace {
-// Function for optionally handling read errors. Is a no-op for Blimp.
-// While the PersistentPrefStore's interface is supported, it is an in-memory
-// store only.
-void IgnoreReadError(PersistentPrefStore::PrefReadError error) {}
-}  // namespace
-
-namespace blimp {
-namespace engine {
-
-// Contains URLRequestContextGetter required for resource loading.
-class BlimpResourceContext : public content::ResourceContext {
- public:
-  BlimpResourceContext() {}
-  ~BlimpResourceContext() override {}
-
-  void set_url_request_context_getter(
-      const scoped_refptr<BlimpURLRequestContextGetter>& getter) {
-    getter_ = getter;
-  }
-
-  const scoped_refptr<BlimpURLRequestContextGetter>&
-  url_request_context_getter() {
-    return getter_;
-  }
-
-  // content::ResourceContext implementation.
-  net::HostResolver* GetHostResolver() override;
-  net::URLRequestContext* GetRequestContext() override;
-
- private:
-  scoped_refptr<BlimpURLRequestContextGetter> getter_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpResourceContext);
-};
-
-net::HostResolver* BlimpResourceContext::GetHostResolver() {
-  return getter_->host_resolver();
-}
-
-net::URLRequestContext* BlimpResourceContext::GetRequestContext() {
-  return getter_->GetURLRequestContext();
-}
-
-BlimpBrowserContext::BlimpBrowserContext(bool off_the_record,
-                                         net::NetLog* net_log)
-    : resource_context_(new BlimpResourceContext),
-      ignore_certificate_errors_(false),
-      off_the_record_(off_the_record),
-      net_log_(net_log) {
-  InitWhileIOAllowed();
-  InitPrefService();
-  metrics_service_client_.reset(
-      new BlimpMetricsServiceClient(pref_service_.get(),
-                                    GetSystemRequestContextGetter()));
-}
-
-BlimpBrowserContext::~BlimpBrowserContext() {
-  ShutdownStoragePartitions();
-  if (resource_context_) {
-    content::BrowserThread::DeleteSoon(content::BrowserThread::IO, FROM_HERE,
-                                       resource_context_.release());
-  }
-}
-
-void BlimpBrowserContext::InitWhileIOAllowed() {
-  // Ensures ~/.config/blimp_engine directory exists.
-  std::unique_ptr<base::Environment> env(base::Environment::Create());
-  base::FilePath config_dir(base::nix::GetXDGDirectory(
-      env.get(), base::nix::kXdgConfigHomeEnvVar, base::nix::kDotConfigDir));
-  path_ = config_dir.Append("blimp_engine");
-  if (!base::PathExists(path_))
-    base::CreateDirectory(path_);
-  BrowserContext::Initialize(this, path_);
-}
-
-void BlimpBrowserContext::InitPrefService() {
-  // Create PrefRegistry and register metrics services preferences with it.
-  scoped_refptr<user_prefs::PrefRegistrySyncable> pref_registry(
-      new user_prefs::PrefRegistrySyncable());
-  metrics::MetricsService::RegisterPrefs(pref_registry.get());
-  metrics::StabilityMetricsHelper::RegisterPrefs(pref_registry.get());
-
-  PrefServiceFactory pref_service_factory;
-
-  // Create an in memory preferences store to hold metrics logs.
-  pref_service_factory.set_user_prefs(new InMemoryPrefStore());
-  pref_service_factory.set_read_error_callback(base::Bind(&IgnoreReadError));
-
-  // Create a PrefService binding the PrefRegistry to the InMemoryPrefStore.
-  // The PrefService ends up owning the PrefRegistry and the InMemoryPrefStore.
-  pref_service_ = pref_service_factory.Create(pref_registry.get());
-  DCHECK(pref_service_.get());
-}
-
-std::unique_ptr<content::ZoomLevelDelegate>
-BlimpBrowserContext::CreateZoomLevelDelegate(const base::FilePath&) {
-  return nullptr;
-}
-
-base::FilePath BlimpBrowserContext::GetPath() const {
-  return path_;
-}
-
-bool BlimpBrowserContext::IsOffTheRecord() const {
-  return off_the_record_;
-}
-
-content::DownloadManagerDelegate*
-BlimpBrowserContext::GetDownloadManagerDelegate() {
-  return nullptr;
-}
-
-net::URLRequestContextGetter*
-BlimpBrowserContext::GetSystemRequestContextGetter() {
-  if (!system_context_getter_) {
-    system_context_getter_ = new BlimpSystemURLRequestContextGetter();
-  }
-  return system_context_getter_.get();
-}
-
-content::ResourceContext* BlimpBrowserContext::GetResourceContext() {
-  return resource_context_.get();
-}
-
-content::BrowserPluginGuestManager* BlimpBrowserContext::GetGuestManager() {
-  return nullptr;
-}
-
-storage::SpecialStoragePolicy* BlimpBrowserContext::GetSpecialStoragePolicy() {
-  return nullptr;
-}
-
-content::PushMessagingService* BlimpBrowserContext::GetPushMessagingService() {
-  return nullptr;
-}
-
-content::SSLHostStateDelegate* BlimpBrowserContext::GetSSLHostStateDelegate() {
-  return nullptr;
-}
-
-content::PermissionManager* BlimpBrowserContext::GetPermissionManager() {
-  if (!permission_manager_)
-    permission_manager_.reset(new BlimpPermissionManager());
-  return permission_manager_.get();
-}
-
-content::BackgroundSyncController*
-BlimpBrowserContext::GetBackgroundSyncController() {
-  return nullptr;
-}
-
-net::URLRequestContextGetter* BlimpBrowserContext::CreateRequestContext(
-    content::ProtocolHandlerMap* protocol_handlers,
-    content::URLRequestInterceptorScopedVector request_interceptors) {
-  DCHECK(!resource_context_->url_request_context_getter());
-  // net_log_ is owned by BrowserMainParts.
-  resource_context_->set_url_request_context_getter(
-      new BlimpURLRequestContextGetter(
-          ignore_certificate_errors_, GetPath(),
-          content::BrowserThread::GetTaskRunnerForThread(
-              content::BrowserThread::IO),
-          content::BrowserThread::GetTaskRunnerForThread(
-              content::BrowserThread::FILE),
-          protocol_handlers, std::move(request_interceptors), net_log_));
-  return resource_context_->url_request_context_getter().get();
-}
-
-net::URLRequestContextGetter*
-BlimpBrowserContext::CreateRequestContextForStoragePartition(
-    const base::FilePath& partition_path,
-    bool in_memory,
-    content::ProtocolHandlerMap* protocol_handlers,
-    content::URLRequestInterceptorScopedVector request_interceptors) {
-  return nullptr;
-}
-
-net::URLRequestContextGetter* BlimpBrowserContext::CreateMediaRequestContext() {
-  return resource_context_->url_request_context_getter().get();
-}
-
-net::URLRequestContextGetter*
-BlimpBrowserContext::CreateMediaRequestContextForStoragePartition(
-    const base::FilePath& partition_path,
-    bool in_memory) {
-  return nullptr;
-}
-
-}  // namespace engine
-}  // namespace blimp