Implement content_decoder_tool.cc to decode offline any resources.

net/net.gyp

 # 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': {
     'chromium_code': 1,
     'linux_link_kerberos%': 0,
     # Enables BidirectionalStream; Used in cronet, disabled by default.
     'enable_bidirectional_stream%': 0,
@@ skipping 786 matching lines @@
       'dependencies': [
         '../base/base.gyp:base',
         'net',
         'net_test_support',
       ],
       'sources': [
         'tools/cachetool/cachetool.cc',
       ],
     },
     {
+      'target_name': 'content_decoder_tool',
+      'type': 'executable',
+      'dependencies': [
+        '../base/base.gyp:base',
+        'net',
+      ],
+      'sources': [
+        'tools/content_decoder_tool/content_decoder_tool.cc',
+        'filter/mock_filter_context.cc',
+      ],
+    },
+    {
       'target_name': 'dump_cache',
       'type': 'executable',
       'dependencies': [
         '../base/base.gyp:base',
         'net',
         'net_test_support',
       ],
       'sources': [
         'tools/dump_cache/dump_cache.cc',
         'tools/dump_cache/dump_files.cc',
@@ skipping 900 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'net_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }