Split the URI library across multiple files.

dart/runtime/bin/bin.gypi

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 {
   'variables': {
     'io_cc_file': '<(SHARED_INTERMEDIATE_DIR)/io_gen.cc',
     'json_cc_file': '<(SHARED_INTERMEDIATE_DIR)/json_gen.cc',
     'uri_cc_file': '<(SHARED_INTERMEDIATE_DIR)/uri_gen.cc',
     'utf_cc_file': '<(SHARED_INTERMEDIATE_DIR)/utf_gen.cc',
@@ skipping 93 matching lines @@
           'message': 'Generating ''<(json_cc_file)'' file.'
         },
       ]
     },
     {
       'target_name': 'generate_uri_cc_file',
       'type': 'none',
       'includes': [
         'uri_sources.gypi',
       ],
+      'variables': {
+        'uri_dart': '<(SHARED_INTERMEDIATE_DIR)/uri.dart',
+      },
       'actions': [
         {
+          'action_name': 'generate_uri_dart',
+          'inputs': [
+            '../tools/concat_library.py',
+            '<@(_sources)',
+          ],
+          'outputs': [
+            '<(uri_dart)',
+          ],
+          'action': [
+            'python',
+            '<@(_inputs)',
+            '--output', '<(uri_dart)',
+          ],
+          'message': 'Generating ''<(uri_dart)'' file.'
+        },
+        {
           'action_name': 'generate_uri_cc',
           'inputs': [
             '../tools/create_string_literal.py',
             '<(builtin_in_cc_file)',
-            '<@(_sources)',
+            '<(uri_dart)',
           ],
           'outputs': [
             '<(uri_cc_file)',
           ],
           'action': [
             'python',
             'tools/create_string_literal.py',
             '--output', '<(uri_cc_file)',
             '--input_cc', '<(builtin_in_cc_file)',
             '--include', 'bin/builtin.h',
             '--var_name', 'Builtin::uri_source_',
-            '<@(_sources)',
+            '<(uri_dart)',
           ],
           'message': 'Generating ''<(uri_cc_file)'' file.'
         },
       ]
     },
     {
       'target_name': 'generate_utf_cc_file',
       'type': 'none',
       'includes': [
         'utf_sources.gypi',
@@ skipping 292 matching lines @@
         ['OS=="mac"', {
           'xcode_settings': {
             'OTHER_LDFLAGS': [ '-undefined', 'dynamic_lookup' ],
           },
         }],
       ],
     },
   ],
 }