Mojo: Add BindingsSupportImpl on top of HandleWatcher (take 2)

mojo/mojo.gyp

Index: mojo/mojo.gyp
diff --git a/mojo/mojo.gyp b/mojo/mojo.gyp
index 4f806cbf9b93e7736f42f348685b15f92a773867..a390bf4065baf451803364a3cff39b61d1ef785a 100644
--- a/mojo/mojo.gyp
+++ b/mojo/mojo.gyp
@@ -67,6 +67,8 @@
         'mojo_system',
       ],
       'sources': [
+        'common/bindings_support_impl.cc',
+        'common/bindings_support_impl.h',
         'common/handle_watcher.cc',
         'common/handle_watcher.h',
         'common/scoped_message_pipe.cc',
@@ -215,6 +217,7 @@
         '../base/base.gyp:base',
         '../net/net.gyp:net',
         '../url/url.gyp:url_lib',
+        'mojo_bindings',
         'mojo_system',
         'mojo_utility',
         'native_viewport',
@@ -255,6 +258,7 @@
         '../base/base.gyp:base',
         '../ui/gl/gl.gyp:gl',
         '../url/url.gyp:url_lib',
+        'mojo_common_lib',
         'mojo_shell_lib',
         'mojo_system',
       ],
@@ -439,6 +443,7 @@
             '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
             '../ui/gfx/gfx.gyp:gfx',
             '../ui/gl/gl.gyp:gl',
+            'mojo_common_lib',
             'mojo_jni_headers',
             'mojo_shell_lib',
           ],