Add GN targets for mojom generator

mojo/mojo.gyp

Index: mojo/mojo.gyp
diff --git a/mojo/mojo.gyp b/mojo/mojo.gyp
index ddf77f7ccdd4d3d704d64b3ad9c12be490436152..d2cd2498254bb9075ec19b39a9531fd46c57bcd4 100644
--- a/mojo/mojo.gyp
+++ b/mojo/mojo.gyp
@@ -29,11 +29,12 @@
       'type': 'none',
       'dependencies': [
         'mojo_apps_js_unittests',
-        'mojo_bindings',
         'mojo_compositor_app',
         'mojo_common_lib',
         'mojo_common_unittests',
+        'mojo_cpp_bindings',
         'mojo_js',
+        'mojo_js_bindings',
         'mojo_js_unittests',
         'mojo_message_generator',
         'mojo_native_viewport_service',
@@ -85,10 +86,10 @@
       },
       'includes': [ 'public/tools/bindings/mojom_bindings_generator.gypi' ],
       'export_dependent_settings': [
-        'mojo_bindings',
+        'mojo_cpp_bindings',
       ],
       'dependencies': [
-        'mojo_bindings',
+        'mojo_cpp_bindings',
       ],
     },
     {
@@ -337,7 +338,7 @@
         '../base/base.gyp:base',
         '../base/base.gyp:base_message_loop_tests',
         '../testing/gtest.gyp:gtest',
-        'mojo_bindings',
+        'mojo_cpp_bindings',
         'mojo_environment_chromium',
         'mojo_common_lib',
         'mojo_common_test_support',
@@ -527,8 +528,8 @@
         '../base/base.gyp:base',
         '../testing/gtest.gyp:gtest',
         '../url/url.gyp:url_lib',
-        'mojo_bindings',
         'mojo_common_lib',
+        'mojo_cpp_bindings',
         'mojo_environment_chromium',
         'mojo_run_all_unittests',
         'mojo_service_manager',
@@ -590,8 +591,8 @@
       'dependencies': [
         '../base/base.gyp:base',
         '../testing/gtest.gyp:gtest',
-        'mojo_bindings',
         'mojo_common_lib',
+        'mojo_cpp_bindings',
         'mojo_environment_chromium',
         'mojo_system_impl',
       ],