[Chromoting] Build webapp package with browser test JavaScript files loaded.

remoting/remoting_webapp.gypi

Index: remoting/remoting_webapp.gypi
diff --git a/remoting/remoting_webapp.gypi b/remoting/remoting_webapp.gypi
index 2b97a539255b470dc3090238f431c3157ddcb0ce..9d5a72a0eb3ea63fb0811476b2310dc05e034381 100644
--- a/remoting/remoting_webapp.gypi
+++ b/remoting/remoting_webapp.gypi
@@ -8,11 +8,11 @@
   'type': 'none',
   'variables': {
     'extra_files%': [],
+    'main_html_file%': '<(SHARED_INTERMEDIATE_DIR)/remoting/main.html',
     'generated_html_files': [
-      '<(SHARED_INTERMEDIATE_DIR)/background.html',
-      '<(SHARED_INTERMEDIATE_DIR)/main.html',
-      '<(SHARED_INTERMEDIATE_DIR)/message_window.html',
-      '<(SHARED_INTERMEDIATE_DIR)/wcs_sandbox.html',
+      '<(SHARED_INTERMEDIATE_DIR)/remoting/background.html',
+      '<(SHARED_INTERMEDIATE_DIR)/remoting/message_window.html',
+      '<(SHARED_INTERMEDIATE_DIR)/remoting/wcs_sandbox.html',
     ],
     'dr_webapp_locales_listfile': '<(SHARED_INTERMEDIATE_DIR)/>(_target_name)_locales.txt',
   },
@@ -52,6 +52,7 @@
         '<(remoting_version_path)',
         '<(dr_webapp_locales_listfile)',
         '<@(generated_html_files)',
+        '<(main_html_file)',
         '<@(remoting_webapp_crd_files)',
         '<@(remoting_webapp_locale_files)',
         '<@(extra_files)',
@@ -69,6 +70,7 @@
         'webapp/crd/manifest.json.jinja2',
         '<(webapp_type)',
         '<@(generated_html_files)',
+        '<(main_html_file)',
         '<@(remoting_webapp_crd_files)',
         '<@(extra_files)',
         '--locales_listfile',