Fix JS seconds since epoch to date conversions.

pdfium.gyp

 # Copyright 2015 PDFium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     # TODO(thakis): Enable this, pdfium:29
     #'chromium_code': 1,
     'pdf_use_skia%': 0,
     'pdf_enable_v8%': 1,
@@ skipping 755 matching lines @@
         ['pdf_enable_v8==1', {
           'include_dirs': [
             '<(DEPTH)/v8',
             '<(DEPTH)/v8/include',
           ],
           'dependencies': [
             '<(DEPTH)/v8/tools/gyp/v8.gyp:v8',
             '<(DEPTH)/v8/tools/gyp/v8.gyp:v8_libplatform',
           ],
           'sources': [
+            'fpdfsdk/src/javascript/public_methods_embeddertest.cpp',
             'fpdfsdk/src/jsapi/fxjs_v8_embeddertest.cpp',
+            'testing/js_embedder_test.cpp',
+            'testing/js_embedder_test.h',
           ],
         }],
       ],
     },
     {
       'target_name': 'test_support',
       'type': 'static_library',
       'dependencies': [
         '<(DEPTH)/testing/gmock.gyp:gmock',
         '<(DEPTH)/testing/gtest.gyp:gtest',
@@ skipping 13 matching lines @@
           ],
           'dependencies': [
             '<(DEPTH)/v8/tools/gyp/v8.gyp:v8',
             '<(DEPTH)/v8/tools/gyp/v8.gyp:v8_libplatform',
           ],
         }],
       ],
     },
   ],
 }