Revert of Makes the component installers return a Result instead of a bool.

chrome/browser/component_updater/widevine_cdm_component_installer.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 "chrome/browser/component_updater/widevine_cdm_component_installer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
 #include <memory>
@@ skipping 232 matching lines @@
 
 class WidevineCdmComponentInstallerTraits : public ComponentInstallerTraits {
  public:
   WidevineCdmComponentInstallerTraits();
   ~WidevineCdmComponentInstallerTraits() override {}
 
  private:
   // The following methods override ComponentInstallerTraits.
   bool SupportsGroupPolicyEnabledComponentUpdates() const override;
   bool RequiresNetworkEncryption() const override;
-  update_client::CrxInstaller::Result OnCustomInstall(
-      const base::DictionaryValue& manifest,
-      const base::FilePath& install_dir) override;
+  bool OnCustomInstall(const base::DictionaryValue& manifest,
+                               const base::FilePath& install_dir) override;
   bool VerifyInstallation(
       const base::DictionaryValue& manifest,
       const base::FilePath& install_dir) const override;
   void ComponentReady(const base::Version& version,
                       const base::FilePath& path,
                       std::unique_ptr<base::DictionaryValue> manifest) override;
   base::FilePath GetRelativeInstallDir() const override;
   void GetHash(std::vector<uint8_t>* hash) const override;
   std::string GetName() const override;
   update_client::InstallerAttributes GetInstallerAttributes() const override;
@@ skipping 16 matching lines @@
 
 bool WidevineCdmComponentInstallerTraits::
     SupportsGroupPolicyEnabledComponentUpdates() const {
   return true;
 }
 
 bool WidevineCdmComponentInstallerTraits::RequiresNetworkEncryption() const {
   return false;
 }
 
-update_client::CrxInstaller::Result
-WidevineCdmComponentInstallerTraits::OnCustomInstall(
+bool WidevineCdmComponentInstallerTraits::OnCustomInstall(
     const base::DictionaryValue& manifest,
     const base::FilePath& install_dir) {
-  return update_client::CrxInstaller::Result(0);
+  return true;
 }
 
 // Once the CDM is ready, check the CDM adapter.
 void WidevineCdmComponentInstallerTraits::ComponentReady(
     const base::Version& version,
     const base::FilePath& path,
     std::unique_ptr<base::DictionaryValue> manifest) {
   if (!IsCompatibleWithChrome(*manifest)) {
     VLOG(1) << "Installed Widevine CDM component is incompatible.";
     return;
@@ skipping 109 matching lines @@
   std::unique_ptr<ComponentInstallerTraits> traits(
       new WidevineCdmComponentInstallerTraits);
   // |cus| will take ownership of |installer| during installer->Register(cus).
   DefaultComponentInstaller* installer =
       new DefaultComponentInstaller(std::move(traits));
   installer->Register(cus, base::Closure());
 #endif  // defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_IS_COMPONENT)
 }
 
 }  // namespace component_updater