Remove CAPS component_updater integration

chrome/browser/component_updater/caps_installer_win.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 "chrome/browser/component_updater/caps_installer_win.h"
-
-#include <stdint.h>
-#include <memory>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/files/file_path.h"
-#include "base/files/file_util.h"
-#include "base/macros.h"
-#include "base/metrics/histogram.h"
-#include "base/path_service.h"
-#include "base/process/launch.h"
-#include "base/threading/worker_pool.h"
-#include "base/time/time.h"
-#include "chrome/common/chrome_paths.h"
-#include "components/component_updater/component_updater_service.h"
-#include "components/component_updater/default_component_installer.h"
-
-namespace component_updater {
-
-namespace {
-
-// The values of the enum cannot be changed and should be mirrored with
-// the values of CAPSUpdaterStep in metrics/histograms/histograms.xml. Only
-// add new values at the end.
-enum CAPSUmaValue {
-  CAPS_COMPONENT_READY = 0,
-  CAPS_COMPONENT_MISSING = 1,
-  CAPS_SERVICE_FAILED_TO_START = 2,
-  CAPS_SERVICE_STARTED = 3,
-  CAPS_UMA_MAX
-};
-
-void ReportUmaStep(CAPSUmaValue value) {
-  UMA_HISTOGRAM_ENUMERATION("CAPSUpdater.Step", value, CAPS_UMA_MAX);
-}
-
-// CRX hash. The extension id is: bcpgokokgekmnfkohklccmonnakdimfh.
-const uint8_t kSha256Hash[] = {0x12, 0xf6, 0xea, 0xea, 0x64, 0xac, 0xd5, 0xae,
-                               0x7a, 0xb2, 0x2c, 0xed, 0xd0, 0xa3, 0x8c, 0x57,
-                               0x49, 0x05, 0x8f, 0x7d, 0x14, 0xa4, 0x22, 0x4d,
-                               0x9b, 0xf6, 0x14, 0x99, 0xdf, 0xf8, 0xc9, 0xb3};
-
-const base::FilePath::CharType kCapsBinary[] =
-    FILE_PATH_LITERAL("chrome_crash_svc.exe");
-
-// This function is called from a worker thread to launch crash service.
-void LaunchService(const base::FilePath& exe_path) {
-  base::CommandLine service_cmdline(exe_path);
-  service_cmdline.AppendSwitch("caps-update");
-  base::Process service =
-      base::LaunchProcess(service_cmdline, base::LaunchOptions());
-  CAPSUmaValue uma_step = service.IsValid() ?
-      CAPS_SERVICE_STARTED : CAPS_SERVICE_FAILED_TO_START;
-  ReportUmaStep(uma_step);
-}
-
-class CAPSInstallerTraits : public ComponentInstallerTraits {
- public:
-  CAPSInstallerTraits() {}
-  ~CAPSInstallerTraits() override {}
-
-  bool VerifyInstallation(const base::DictionaryValue& manifest,
-                          const base::FilePath& dir) const override {
-    bool has_binary = base::PathExists(dir.Append(kCapsBinary));
-    ReportUmaStep(has_binary ? CAPS_COMPONENT_READY : CAPS_COMPONENT_MISSING);
-    return has_binary;
-  }
-
-  bool SupportsGroupPolicyEnabledComponentUpdates() const override {
-    return false;
-  }
-
-  bool RequiresNetworkEncryption() const override { return false; }
-
-  bool OnCustomInstall(const base::DictionaryValue& manifest,
-                       const base::FilePath& install_dir) override {
-    return true;
-  }
-
-  void ComponentReady(
-      const base::Version& version,
-      const base::FilePath& install_dir,
-      std::unique_ptr<base::DictionaryValue> manifest) override {
-    // Can't block here. This is usually the browser UI thread.
-    base::WorkerPool::PostTask(
-        FROM_HERE,
-        base::Bind(&LaunchService, install_dir.Append(kCapsBinary)),
-        false);
-  }
-
-  // Directory is usually "%appdata%\Local\Chrome\User Data\Caps".
-  base::FilePath GetRelativeInstallDir() const override {
-    return base::FilePath(FILE_PATH_LITERAL("Caps"));
-  }
-
-  void GetHash(std::vector<uint8_t>* hash) const override {
-    hash->assign(kSha256Hash,
-                 kSha256Hash + arraysize(kSha256Hash));
-  }
-
-  // This string is shown in chrome://components.
-  std::string GetName() const override { return "Chrome Crash Service"; }
-
-  update_client::InstallerAttributes GetInstallerAttributes() const override {
-    return update_client::InstallerAttributes();
-  }
-
-  std::vector<std::string> GetMimeTypes() const override {
-    return std::vector<std::string>();
-  }
-};
-
-}  // namespace
-
-void RegisterCAPSComponent(ComponentUpdateService* cus) {
-  // The component updater takes ownership of |installer|.
-  std::unique_ptr<ComponentInstallerTraits> traits(new CAPSInstallerTraits());
-  DefaultComponentInstaller* installer =
-      new DefaultComponentInstaller(std::move(traits));
-  installer->Register(cus, base::Closure());
-}
-
-}  // namespace component_updater