Combine PDF plugin into the Chromium binary.

chrome/chrome_tests_unit.gypi

 # Copyright 2012 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_unit_tests_sources': [
       '../components/autofill/content/renderer/test_password_autofill_agent.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.h',
       '../components/autofill/content/renderer/test_password_generation_agent.cc',
       '../components/autofill/content/renderer/test_password_generation_agent.h',
@@ skipping 1968 matching lines @@
           "sources" : [
              'browser/local_discovery/wifi/mock_wifi_manager.cc',
              'browser/local_discovery/wifi/mock_wifi_manager.h',
           ],
         }],
         ['enable_plugins==1', {
           "sources" : [
             'test/ppapi/ppapi_test.cc',
             'test/ppapi/ppapi_test.h',
           ],
+          'dependencies': [
+            '../pdf/pdf.gyp:pdf',
+          ],
         }],
         ['enable_plugins==1 and disable_nacl==0', {
           'dependencies': [
             '<(DEPTH)/ppapi/native_client/src/trusted/plugin/plugin.gyp:nacl_trusted_plugin',
           ],
         }],
         ['remoting==1', {
           'dependencies': [
             '../remoting/remoting.gyp:remoting_client_plugin',
           ],
@@ skipping 742 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }