Move RLZ extension API to rlz directory.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index 21dfbbdc23960e17c8e3a4c62eb750c9c92586fe..86bf0653406e4a1fce4dde1b820f25495eab6001 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -2416,7 +2416,6 @@
         'browser/extensions/extension_processes_apitest.cc',
         'browser/extensions/extension_proxy_apitest.cc',
         'browser/extensions/extension_resource_request_policy_apitest.cc',
-        'browser/extensions/extension_rlz_apitest.cc',
         'browser/extensions/extension_save_page_apitest.cc',
         'browser/extensions/extension_settings_apitest.cc',
         'browser/extensions/extension_sidebar_apitest.cc',
@@ -2468,6 +2467,7 @@
         'browser/prerender/prerender_browsertest.cc',
         'browser/printing/print_dialog_cloud_uitest.cc',
         'browser/printing/print_preview_tab_controller_browsertest.cc',
+        'browser/rlz/rlz_extension_apitest.cc',
         'browser/renderer_host/render_process_host_chrome_browsertest.cc',
         'browser/renderer_host/web_cache_manager_browsertest.cc',
         'browser/safe_browsing/safe_browsing_blocking_page_test.cc',
@@ -2702,7 +2702,7 @@
             'app/chrome_dll.rc',
             'app/chrome_dll_resource.h',
             'app/chrome_version.rc.version',
-            'browser/extensions/extension_rlz_apitest.cc',
+            'browser/rlz/rlz_extension_apitest.cc',
             # http://crbug.com/15101 These tests fail on Linux and Mac.
             'browser/renderer_host/web_cache_manager_browsertest.cc',
             '../content/browser/child_process_security_policy_browsertest.cc',