Revert of Combine PDF plugin into the Chromium binary.

chrome/chrome_tests.gypi

 # Copyright 2013 The Chromium 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': {
     'chrome_browser_extensions_test_support_sources': [
       # A list of sources which is shared between different browser tests.
       'browser/apps/app_browsertest_util.cc',
       'browser/apps/app_browsertest_util.h',
       'browser/extensions/browsertest_util.cc',
@@ skipping 1431 matching lines @@
         'chrome_resources.gyp:packed_extra_resources',
         'chrome_resources.gyp:packed_resources',
         'debugger',
         'renderer',
         'test_support_common',
         '../content/app/resources/content_resources.gyp:content_resources',
         '../google_apis/google_apis.gyp:google_apis_test_support',
         '../net/net.gyp:net',
         '../net/net.gyp:net_resources',
         '../net/net.gyp:net_test_support',
+        '../pdf/pdf.gyp:pdf',
         '../ppapi/ppapi_internal.gyp:ppapi_tests',
         '../skia/skia.gyp:skia',
         '../sync/sync.gyp:sync',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../third_party/hunspell/hunspell.gyp:hunspell',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/libpng/libpng.gyp:libpng',
         '../third_party/npapi/npapi.gyp:npapi',
@@ skipping 1768 matching lines @@
             ['enable_webrtc==1', {
               'dependencies': [
                 '../third_party/libjingle/libjingle.gyp:libjingle_webrtc'
               ]
             }],
           ],
         }]
     }],
   ],  # 'conditions'
 }