Add yasm and ffmpeg into the build tree for linux.

third_party/bzip2/bzip2.gyp

 # Copyright (c) 2009 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': {
     'use_system_bzip2%': 0,
   },
   'conditions': [
     ['use_system_bzip2==0', {
@@ skipping 16 matching lines @@
           ],
           'direct_dependent_settings': {
             'include_dirs': [
               '.',
             ],
           },
           'conditions': [
             ['OS=="win"', {
               'product_name': 'libbzip2',
             }, {  # else: OS!="win"
-              'product_name': 'bz2',
+              'product_name': 'chrome_bz2',
             }],
           ],
         },
       ],
     }, {
       'targets': [
         {
           'target_name': 'bzip2',
           'type': 'settings',
 
@@ skipping 13 matching lines @@
       ]
     }],
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: