Moved CrxInstaller and CrxInstallerError into extensions namespace

chrome/browser/automation/testing_automation_provider.cc

Index: chrome/browser/automation/testing_automation_provider.cc
diff --git a/chrome/browser/automation/testing_automation_provider.cc b/chrome/browser/automation/testing_automation_provider.cc
index 2f57098dc865a2a886a2ac1d5126f014eeb87c82..966aa7f1920328048e5d991f01e2416e60a68079 100644
--- a/chrome/browser/automation/testing_automation_provider.cc
+++ b/chrome/browser/automation/testing_automation_provider.cc
@@ -4053,8 +4053,8 @@ void TestingAutomationProvider::InstallExtension(
     if (extension_path.MatchesExtension(FILE_PATH_LITERAL(".crx"))) {
       ExtensionInstallPrompt* client =
           (with_ui ? new ExtensionInstallPrompt(browser) : NULL);
-      scoped_refptr<CrxInstaller> installer(
-          CrxInstaller::Create(service, client));
+      scoped_refptr<extensions::CrxInstaller> installer(
+          extensions::CrxInstaller::Create(service, client));
       if (!with_ui)
         installer->set_allow_silent_install(true);
       installer->set_install_cause(extension_misc::INSTALL_CAUSE_AUTOMATION);