Split out mojo_converters into its own target.

mojo/mojo_input_events_converters.gyp

+# Copyright (c) 2014 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.
+
+{
+  'includes': [
+    'mojo_variables.gypi',
+  ],
+  'targets': [
+    {
+      # GN version: //mojo/converters/input_events
+      'target_name': 'mojo_input_events_lib',
+      'type': '<(component)',
+      'defines': [
+        'MOJO_INPUT_EVENTS_IMPLEMENTATION',
+      ],
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../ui/events/events.gyp:events',
+        '../ui/gfx/gfx.gyp:gfx_geometry',
+        'mojo_geometry_converters.gyp:mojo_geometry_lib',
+        'services/public/mojo_services_public.gyp:mojo_geometry_bindings',
+        'services/public/mojo_services_public.gyp:mojo_input_events_bindings',
+        '<(mojo_system_for_component)',
+      ],
+      'sources': [
+        'converters/input_events/input_events_type_converters.cc',
+        'converters/input_events/input_events_type_converters.h',
+        'converters/input_events/mojo_extended_key_event_data.cc',
+        'converters/input_events/mojo_extended_key_event_data.h',
+        'converters/input_events/mojo_input_events_export.h',
+      ],
+      'conditions': [
+        ['component=="shared_library"', {
+          'dependencies': [
+            'mojo_base.gyp:mojo_environment_chromium',
+          ],
+        }],
+      ],
+    },
+  ],
+}