[cros] Initial implementation for OOBE WebUI.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 65e886ae41f77998354a573191050212d6324984..0b7565033c254009b20cbcc31bd585387e678204 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -3283,6 +3283,8 @@
         'browser/ui/webui/chromeos/imageburner_ui.h',
         'browser/ui/webui/chromeos/keyboard_overlay_ui.cc',
         'browser/ui/webui/chromeos/keyboard_overlay_ui.h',
+        'browser/ui/webui/chromeos/login/oobe_ui.cc',
+        'browser/ui/webui/chromeos/login/oobe_ui.h',
         'browser/ui/webui/chromeos/login/login_ui.cc',
         'browser/ui/webui/chromeos/login/login_ui.h',
         'browser/ui/webui/chromeos/login/login_ui_helpers.cc',
@@ -3612,7 +3614,7 @@
             ['exclude', '^browser/ui/views/tab_contents/tab_contents_container_views.cc'],
             ['exclude', '^browser/ui/views/tab_contents/tab_contents_container_views.h'],
             ['exclude', '^browser/ui/views/tab_contents/tab_contents_view_touch.*'],
-            ['exclude', '^browser/ui/webui/chromeos/login/'],
+            ['exclude', '^browser/ui/webui/chromeos/login/login*'],
             ['exclude', '^browser/ui/webui/keyboard_ui.*'],
           ],
         }],