Add dart:web to VM.

runtime/bin/bin.gypi

Index: runtime/bin/bin.gypi
===================================================================
--- runtime/bin/bin.gypi	(revision 8989)
+++ runtime/bin/bin.gypi	(working copy)
@@ -9,6 +9,7 @@
     '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',
+    'web_cc_file': '<(SHARED_INTERMEDIATE_DIR)/web_gen.cc',
     'builtin_in_cc_file': 'builtin_in.cc',
     'builtin_cc_file': '<(SHARED_INTERMEDIATE_DIR)/builtin_gen.cc',
     'snapshot_in_cc_file': 'snapshot_in.cc',
@@ -216,6 +217,36 @@
       ]
     },
     {
+      'target_name': 'generate_web_cc_file',
+      'type': 'none',
+      'includes': [
+        'web_sources.gypi',
+      ],
+      'actions': [
+        {
+          'action_name': 'generate_web_cc',
+          'inputs': [
+            '../tools/create_string_literal.py',
+            '<(builtin_in_cc_file)',
+            '<@(_sources)',
+          ],
+          'outputs': [
+            '<(web_cc_file)',
+          ],
+          'action': [
+            'python',
+            'tools/create_string_literal.py',
+            '--output', '<(web_cc_file)',
+            '--input_cc', '<(builtin_in_cc_file)',
+            '--include', 'bin/builtin.h',
+            '--var_name', 'Builtin::web_source_',
+            '<@(_sources)',
+          ],
+          'message': 'Generating ''<(web_cc_file)'' file.'
+        },
+      ]
+    },
+    {
       'target_name': 'libdart_builtin',
       'type': 'static_library',
       'dependencies': [
@@ -225,6 +256,7 @@
         'generate_json_cc_file',
         'generate_uri_cc_file',
         'generate_utf_cc_file',
+        'generate_web_cc_file',
       ],
       'include_dirs': [
         '..',
@@ -307,6 +339,7 @@
         '<(json_cc_file)',
         '<(uri_cc_file)',
         '<(utf_cc_file)',
+        '<(web_cc_file)',
       ],
       'conditions': [
         ['OS=="win"', {
@@ -361,6 +394,7 @@
         'main.cc',
         'builtin_nolib.cc',
         '<(snapshot_cc_file)',
+        '<(web_cc_file)',
       ],
       'conditions': [
         ['OS=="win"', {
@@ -398,6 +432,7 @@
         '<(json_cc_file)',
         '<(uri_cc_file)',
         '<(utf_cc_file)',
+        '<(web_cc_file)',
         'snapshot_empty.cc',
       ],
       'conditions': [
@@ -436,6 +471,7 @@
         '<(json_cc_file)',
         '<(uri_cc_file)',
         '<(utf_cc_file)',
+        '<(web_cc_file)',
       ],
       'includes': [
         'builtin_impl_sources.gypi',