Remove the installation validator.

The tests in chrome/test/mini_installer are the path forward for
ensuring that the installer does the right thing.

BUG=none
R=robertshield@chromium.org

Review-Url: https://codereview.chromium.org/2456863002
Cr-Commit-Position: refs/heads/master@{#428302}

chrome/installer/setup/setup_main.cc

@@ -66,7 +66,6 @@
 #include "chrome/installer/util/html_dialog.h"
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/installation_state.h"
-#include "chrome/installer/util/installation_validator.h"
 #include "chrome/installer/util/installer_state.h"
 #include "chrome/installer/util/installer_util_strings.h"
 #include "chrome/installer/util/l10n_string_util.h"
@@ -88,7 +87,6 @@
 
 using installer::InstallerState;
 using installer::InstallationState;
-using installer::InstallationValidator;
 using installer::MasterPreferences;
 using installer::Product;
 using installer::ProductState;
@@ -1967,15 +1965,6 @@ int WINAPI wWinMain(HINSTANCE instance, HINSTANCE prev_instance,
                         &installer_state, &installer_directory);
   }
 
-  // Validate that the machine is now in a good state following the operation.
-  // TODO(grt): change this to log at DFATAL once we're convinced that the
-  // validator handles all cases properly.
-  InstallationValidator::InstallationType installation_type =
-      InstallationValidator::NO_PRODUCTS;
-  LOG_IF(ERROR,
-         !InstallationValidator::ValidateInstallationType(system_install,
-                                                          &installation_type));
-
   UMA_HISTOGRAM_ENUMERATION("Setup.Install.Result", install_status,
                             installer::MAX_INSTALL_STATUS);
 

chrome/installer/util/BUILD.gn

@@ -69,8 +69,6 @@ static_library("with_no_strings") {
       "google_chrome_distribution.h",
       "html_dialog.h",
       "html_dialog_impl.cc",
-      "installation_validator.cc",
-      "installation_validator.h",
       "logging_installer.cc",
       "logging_installer.h",
       "lzma_file_allocator.cc",
@@ -303,9 +301,6 @@ if (is_win) {
       "fake_product_state.h",
       "google_update_settings_unittest.cc",
       "install_util_unittest.cc",
-      "installation_validation_helper.cc",
-      "installation_validation_helper.h",
-      "installation_validator_unittest.cc",
       "installer_state_unittest.cc",
       "installer_util_test_common.cc",
       "installer_util_test_common.h",