[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 990c747886f3bd0a594eb85a74a15e426ff919a9..9211d765a61d36750c63c8156d3e725168199cc3 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -3305,6 +3305,8 @@
         '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',
@@ -3639,7 +3641,7 @@
             ['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.*'],
           ],
         }],