Converted Observatory json-view element

runtime/observatory/observatory_sources.gypi

 # Copyright (c) 2016, 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.
 
 # This file contains all dart, css, and html sources for Observatory.
 {
   'sources': [
     'lib/allocation_profile.dart',
     'lib/app.dart',
     'lib/cli.dart',
@@ skipping 83 matching lines @@
     'lib/src/elements/isolate/counter_chart.dart',
     'lib/src/elements/isolate/location.dart',
     'lib/src/elements/isolate/run_state.dart',
     'lib/src/elements/isolate/shared_summary.dart',
     'lib/src/elements/isolate/summary.dart',
     'lib/src/elements/isolate_reconnect.dart',
     'lib/src/elements/isolate_ref.dart',
     'lib/src/elements/isolate_ref_wrapper.dart',
     'lib/src/elements/isolate_view.dart',
     'lib/src/elements/json_view.dart',
-    'lib/src/elements/json_view.html',
     'lib/src/elements/library_ref.dart',
     'lib/src/elements/library_ref_as_value.dart',
     'lib/src/elements/library_ref_as_value.html',
     'lib/src/elements/library_ref_wrapper.dart',
     'lib/src/elements/library_view.dart',
     'lib/src/elements/local_var_descriptors_ref.dart',
     'lib/src/elements/logging.dart',
     'lib/src/elements/logging.html',
     'lib/src/elements/megamorphiccache_ref.dart',
     'lib/src/elements/megamorphiccache_view.dart',
@@ skipping 35 matching lines @@
     'lib/src/elements/sample_buffer_control.dart',
     'lib/src/elements/script_inset.dart',
     'lib/src/elements/script_inset_wrapper.dart',
     'lib/src/elements/script_ref.dart',
     'lib/src/elements/script_ref_wrapper.dart',
     'lib/src/elements/script_view.dart',
     'lib/src/elements/sentinel_value.dart',
     'lib/src/elements/sentinel_view.dart',
     'lib/src/elements/service_ref.dart',
     'lib/src/elements/service_ref.html',
-    'lib/src/elements/service_view.dart',
-    'lib/src/elements/service_view.html',
     'lib/src/elements/shims/binding.dart',
     'lib/src/elements/source_inset.dart',
     'lib/src/elements/source_inset_wrapper.dart',
     'lib/src/elements/source_link.dart',
     'lib/src/elements/source_link_wrapper.dart',
     'lib/src/elements/stack_trace_tree_config.dart',
     'lib/src/elements/strongly_reachable_instances.dart',
     'lib/src/elements/timeline_page.dart',
     'lib/src/elements/timeline_page.html',
     'lib/src/elements/token_stream_ref.dart',
@@ skipping 115 matching lines @@
     'lib/utils.dart',
     'web/favicon.ico',
     'web/index.html',
     'web/main.dart',
     'web/third_party/trace_viewer_full.html',
     'web/timeline.html',
     'web/timeline.js',
     'web/timeline_message_handler.js',
   ]
 }