Revert "Use browsers JSON.parse for parsing JSON (#3)"

runtime/vm/vm.gypi

Index: runtime/vm/vm.gypi
diff --git a/runtime/vm/vm.gypi b/runtime/vm/vm.gypi
index 1c1b10fb3a07c340ce2f5f2090b2661d6ef2b48b..ca69ca59e8fcbb832a44b813e0c486101ffab952 100644
--- a/runtime/vm/vm.gypi
+++ b/runtime/vm/vm.gypi
@@ -19,7 +19,6 @@
     'isolate_cc_file': '<(SHARED_INTERMEDIATE_DIR)/isolate_gen.cc',
     'isolate_patch_cc_file': '<(SHARED_INTERMEDIATE_DIR)/isolate_patch_gen.cc',
     'json_cc_file': '<(SHARED_INTERMEDIATE_DIR)/json_gen.cc',
-    'json_patch_cc_file': '<(SHARED_INTERMEDIATE_DIR)/json_patch_gen.cc',
     'scalarlist_cc_file': '<(SHARED_INTERMEDIATE_DIR)/scalarlist_gen.cc',
     'scalarlist_patch_cc_file': '<(SHARED_INTERMEDIATE_DIR)/scalarlist_patch_gen.cc',
     'uri_cc_file': '<(SHARED_INTERMEDIATE_DIR)/uri_gen.cc',
@@ -102,7 +101,6 @@
         'generate_isolate_cc_file',
         'generate_isolate_patch_cc_file',
         'generate_json_cc_file',
-        'generate_json_patch_cc_file',
         'generate_mirrors_cc_file',
         'generate_mirrors_patch_cc_file',
         'generate_scalarlist_cc_file',
@@ -133,7 +131,6 @@
         '<(isolate_cc_file)',
         '<(isolate_patch_cc_file)',
         '<(json_cc_file)',
-        '<(json_patch_cc_file)',
         '<(mirrors_cc_file)',
         '<(mirrors_patch_cc_file)',
         '<(scalarlist_cc_file)',
@@ -851,44 +848,6 @@
       ]
     },
     {
-      'target_name': 'generate_json_patch_cc_file',
-      'type': 'none',
-      'includes': [
-        # Load the shared json library sources.
-        '../lib/json_sources.gypi',
-      ],
-      'sources/': [
-        # Exclude all .[cc|h] files.
-        # This is only here for reference. Excludes happen after
-        # variable expansion, so the script has to do its own
-        # exclude processing of the sources being passed.
-        ['exclude', '\\.cc|h$'],
-      ],
-      'actions': [
-        {
-          'action_name': 'generate_json_patch_cc',
-          'inputs': [
-            '../tools/create_string_literal.py',
-            '<(builtin_in_cc_file)',
-            '<@(_sources)',
-          ],
-          'outputs': [
-            '<(json_patch_cc_file)',
-          ],
-          'action': [
-            'python',
-            'tools/create_string_literal.py',
-            '--output', '<(json_patch_cc_file)',
-            '--input_cc', '<(builtin_in_cc_file)',
-            '--include', 'vm/bootstrap.h',
-            '--var_name', 'dart::Bootstrap::json_patch_',
-            '<@(_sources)',
-          ],
-          'message': 'Generating ''<(json_patch_cc_file)'' file.'
-        },
-      ]
-    },
-    {
       'target_name': 'generate_scalarlist_cc_file',
       'type': 'none',
       'variables': {