Begin implementing V8 bindings for Mojo

mojo/mojo.gyp

Index: mojo/mojo.gyp
diff --git a/mojo/mojo.gyp b/mojo/mojo.gyp
index 72e6477a521f07a7457cd8365cf9bcd4e12551e2..66240af074e47a5203a5a4db12ce758b9c4e5e87 100644
--- a/mojo/mojo.gyp
+++ b/mojo/mojo.gyp
@@ -25,6 +25,8 @@
         'sample_app',
         'mojo_bindings',
         'mojo_bindings_test',
+        'mojo_js_bindings',
+        'mojo_js_bindings_unittests',
         'native_viewport',
       ],
     },
@@ -277,11 +279,10 @@
       ],
       'dependencies': [
         '../v8/tools/gyp/v8.gyp:v8',
+        'mojo_js_bindings',
       ],
       'sources': [
         'apps/js/main.cc',
-        'apps/js/v8_environment.cc',
-        'apps/js/v8_environment.h',
       ],
     },
     {
@@ -339,6 +340,63 @@
       ],
     },
     {
+      'target_name': 'mojo_js_bindings',
+      'type': 'static_library',
+      'include_dirs': [
+        '..'
+      ],
+      'dependencies': [
+        '../v8/tools/gyp/v8.gyp:v8',
+        'mojo_system',
+      ],
+      'export_dependent_settings': [
+        '../v8/tools/gyp/v8.gyp:v8',
+      ],
+      'sources': [
+        'public/bindings/js/v8_array_buffer.cc',
+        'public/bindings/js/v8_array_buffer.h',
+        'public/bindings/js/v8_conversions.h',
+        'public/bindings/js/v8_core.cc',
+        'public/bindings/js/v8_core.h',
+        'public/bindings/js/v8_environment.cc',
+        'public/bindings/js/v8_environment.h',
+        'public/bindings/js/v8_exceptions.cc',
+        'public/bindings/js/v8_exceptions.h',
+        'public/bindings/js/v8_mojo.cc',
+        'public/bindings/js/v8_mojo.h',
+        'public/bindings/js/v8_per_isolate_data.cc',
+        'public/bindings/js/v8_per_isolate_data.h',
+        'public/bindings/js/v8_runner.cc',
+        'public/bindings/js/v8_runner.h',
+        'public/bindings/js/v8_string.cc',
+        'public/bindings/js/v8_string.h',
+        'public/bindings/js/v8_wrapper.cc',
+        'public/bindings/js/v8_wrapper.h',
+      ],
+    },
+    {
+      'target_name': 'mojo_js_bindings_unittests',
+      'type': 'executable',
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../base/base.gyp:run_all_unittests',
+        '../testing/gtest.gyp:gtest',
+        'mojo_js_bindings',
+      ],
+      'sources': [
+        'public/bindings/js/test/run_all_unittests.cc',
+        'public/bindings/js/v8_runner_unittest.cc',
+      ],
+      'conditions': [
+        ['OS == "win"', {
+          # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+          'msvs_disabled_warnings': [
+            4267,
+          ],
+        }],
+      ],
+    },
+    {
       'target_name': 'native_viewport',
       'type': 'static_library',
       'dependencies': [