Add PPAPI decryptor implementation.

webkit/media/webkit_media.gypi

 # Copyright (c) 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.
 
 {
   'targets': [
     {
       'target_name': 'webkit_media',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 65 matching lines @@
           'dependencies': [
             '<(DEPTH)/media/media.gyp:player_android',
           ],
         }, { # OS != "android"'
           'sources/': [
             ['exclude', '^android/'],
           ],
         }],
       ],
     },
+    {
+      'target_name': 'ppapi_content_decryptor',
+      'type': 'none',
+      'dependencies': [
+        '<(DEPTH)/ppapi/ppapi.gyp:ppapi_cpp'
+      ],
+      'conditions': [
+        ['os_posix==1 and OS!="mac"', {
+          'cflags': ['-fvisibility=hidden'],
+          'type': 'shared_library',
+          # -gstabs, used in the official builds, causes an ICE. Simply remove
+          # it.
+          'cflags!': ['-gstabs'],
+        }],
+        ['OS=="win"', {
+          'type': 'shared_library',
+        }],
+        ['OS=="mac"', {
+          'type': 'loadable_module',
+          'mac_bundle': 1,
+          'product_extension': 'plugin',
+          'xcode_settings': {
+            'OTHER_LDFLAGS': [
+              # Not to strip important symbols by -Wl,-dead_strip.
+              '-Wl,-exported_symbol,_PPP_GetInterface',
+              '-Wl,-exported_symbol,_PPP_InitializeModule',
+              '-Wl,-exported_symbol,_PPP_ShutdownModule'
+            ]},
+        }],
+      ],
+      'sources': [
+        'crypto/content_decryptor.cc',
+      ],
+    }
   ],
 }