Mojo C++ bindings: support mapping mojo string to WTF::String.

mojo/mojo_edk_tests.gyp

 # Copyright 2015 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': [
     {
@@ skipping 29 matching lines @@
       'sources': [
         'edk/system/ports/ports_unittest.cc',
       ],
     },
     {
       # GN version: //mojo/edk/test:mojo_public_bindings_unittests
       'target_name': 'mojo_public_bindings_unittests',
       'type': 'executable',
       'dependencies': [
         '../testing/gtest.gyp:gtest',
+        '../third_party/WebKit/Source/wtf/wtf_tests.gyp:wtf_unittest_helpers',
         'mojo_base.gyp:mojo_environment_chromium',
         'mojo_edk.gyp:mojo_run_all_unittests',
         'mojo_public.gyp:mojo_cpp_bindings',
         'mojo_public.gyp:mojo_message_pump_lib',
         'mojo_public.gyp:mojo_public_bindings_test_utils',
         'mojo_public.gyp:mojo_public_test_associated_interfaces',
         'mojo_public.gyp:mojo_public_test_interfaces',
         'mojo_public.gyp:mojo_public_test_interfaces_blink',
         'mojo_public.gyp:mojo_public_test_interfaces_chromium',
         'mojo_public.gyp:mojo_public_test_interfaces_struct_traits',
         'mojo_public.gyp:mojo_public_test_utils',
+        'mojo_public.gyp:mojo_public_test_wtf_types',
+        'mojo_public.gyp:mojo_public_test_wtf_types_blink',
         'mojo_public.gyp:mojo_utility',
       ],
       'sources': [
         'public/cpp/bindings/tests/array_unittest.cc',
         'public/cpp/bindings/tests/associated_interface_unittest.cc',
         'public/cpp/bindings/tests/binding_callback_unittest.cc',
         'public/cpp/bindings/tests/binding_unittest.cc',
         'public/cpp/bindings/tests/bounds_checker_unittest.cc',
         'public/cpp/bindings/tests/buffer_unittest.cc',
         'public/cpp/bindings/tests/callback_unittest.cc',
@@ skipping 23 matching lines @@
         'public/cpp/bindings/tests/stl_converters_unittest.cc',
         'public/cpp/bindings/tests/string_unittest.cc',
         'public/cpp/bindings/tests/struct_traits_unittest.cc',
         'public/cpp/bindings/tests/struct_unittest.cc',
         'public/cpp/bindings/tests/struct_with_traits_impl.cc',
         'public/cpp/bindings/tests/struct_with_traits_impl.h',
         'public/cpp/bindings/tests/sync_method_unittest.cc',
         'public/cpp/bindings/tests/type_conversion_unittest.cc',
         'public/cpp/bindings/tests/union_unittest.cc',
         'public/cpp/bindings/tests/validation_unittest.cc',
+        'public/cpp/bindings/tests/wtf_types_unittest.cc',
       ],
     },
     {
       # GN version: //mojo/edk/test:mojo_public_bindings_perftests
       'target_name': 'mojo_public_bindings_perftests',
       'type': 'executable',
       'dependencies': [
         '../testing/gtest.gyp:gtest',
         'mojo_base.gyp:mojo_common_lib',
         'mojo_edk.gyp:mojo_run_all_unittests',
@@ skipping 244 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'mojo_public_utility_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }