Allow WebUI Tests to use preLoad in HtmlDialogUI.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index b598fc18a8b0ef629c239ae02021f625f1a9530d..ea1080eba26e7bb25acc2e5d1026e75da11ce0f7 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -201,6 +201,7 @@
         'test/base/chrome_test_suite.h',
         'test/base/in_process_browser_test.cc',
         'test/base/in_process_browser_test.h',
+        'test/base/js_injection_ready_observer.h',
         'test/base/model_test_utils.cc',
         'test/base/model_test_utils.h',
         'test/base/profile_mock.cc',
@@ -213,6 +214,8 @@
         'test/base/test_launcher_utils.h',
         'test/base/test_location_bar.cc',
         'test/base/test_location_bar.h',
+        'test/base/test_navigation_observer.cc',
+        'test/base/test_navigation_observer.h',
         'test/base/test_switches.cc',
         'test/base/test_switches.h',
         'test/base/test_tab_strip_model_observer.cc',
@@ -238,8 +241,6 @@
         'test/base/ui_test_utils_win.cc',
         'test/base/values_test_util.cc',
         'test/base/values_test_util.h',
-        'test/test_navigation_observer.cc',
-        'test/test_navigation_observer.h',
         # TODO:  these should live here but are currently used by
         # production code code in libbrowser (in chrome.gyp).
         #'../content/browser/net/url_request_mock_http_job.cc',
@@ -2707,7 +2708,8 @@
         'test/base/chrome_render_view_test.h',
         'test/base/chrome_test_launcher.cc',
         'test/data/webui/assertions.js',
-        'test/data/webui/async_gen-inl.h',
+        'test/data/webui/async_gen.cc',
+        'test/data/webui/async_gen.h',
         'test/data/webui/async_gen.js',
         'test/data/webui/certificate_viewer_dialog_test.js',
         'test/data/webui/certificate_viewer_ui_test-inl.h',
@@ -2718,6 +2720,8 @@
         'test/data/webui/hung_renderer_dialog_ui_test-inl.h',
         'test/data/webui/mock4js_browsertest.js',
         'test/data/webui/ntp4.js',
+        'test/data/webui/print_preview.h',
+        'test/data/webui/print_preview.cc',
         'test/data/webui/print_preview.js',
         'test/gpu/gpu_feature_browsertest.cc',
         # TODO(craig): Rename this and run from base_unittests when the test