Move most of the component updater artifacts to update_client.

components/update_client/test/test_installer.cc

Index: components/update_client/test/test_installer.cc
diff --git a/components/component_updater/test/test_installer.cc b/components/update_client/test/test_installer.cc
similarity index 95%
rename from components/component_updater/test/test_installer.cc
rename to components/update_client/test/test_installer.cc
index e70d67e8132cabd831bf3f804c8cdb54db496d4e..b6a3f8432e3627cada0d439bee14ecd904696440 100644
--- a/components/component_updater/test/test_installer.cc
+++ b/components/update_client/test/test_installer.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/component_updater/test/test_installer.h"
+#include "components/update_client/test/test_installer.h"
 
 #include <string>
 
@@ -10,7 +10,7 @@
 #include "base/files/file_util.h"
 #include "base/values.h"
 
-namespace component_updater {
+namespace update_client {
 
 TestInstaller::TestInstaller() : error_(0), install_count_(0) {
 }
@@ -83,4 +83,4 @@ bool VersionedTestInstaller::GetInstalledFile(const std::string& file,
   return true;
 }
 
-}  // namespace component_updater
+}  // namespace update_client