[Chromoting] Enable jscompile for browser tests.

remoting/remoting_webapp.gypi

Index: remoting/remoting_webapp.gypi
diff --git a/remoting/remoting_webapp.gypi b/remoting/remoting_webapp.gypi
index 2c767fda205d5a96c42824850c776b6b468db66f..7d72c677e2ba83e1425d9ba9ac449661eb253d9e 100644
--- a/remoting/remoting_webapp.gypi
+++ b/remoting/remoting_webapp.gypi
@@ -23,6 +23,7 @@
     ['run_jscompile != 0', {
       'variables': {
         'success_stamp': '<(PRODUCT_DIR)/<(_target_name)_jscompile.stamp',
+        'success_stamp_bt': '<(PRODUCT_DIR)/<(_target_name)_bt_jscompile.stamp',
       },
       'actions': [
         {
@@ -43,6 +44,26 @@
             '<@(remoting_webapp_js_proto_files)',
           ],
         },
+        {
+          'action_name': 'Verify remoting webapp with browsertests',
+          'inputs': [
+            '<@(remoting_webapp_crd_js_files)',
+            '<@(remoting_webapp_browsertest_all_js_files)',
+            '<@(remoting_webapp_js_proto_files)',
+          ],
+          'outputs': [
+            '<(success_stamp_bt)',
+          ],
+          'action': [
+            'python', '../third_party/closure_compiler/checker.py',
+            '--strict',
+            '--no-single-file',
+            '--success-stamp', '<(success_stamp_bt)',
+            '<@(remoting_webapp_crd_js_files)',
+            '<@(remoting_webapp_browsertest_all_js_files)',
+            '<@(remoting_webapp_js_proto_files)',
+          ],
+        },
       ],  # actions
     }],
   ],