Remove dependencies from bindings_generator target

This way targets that only need js files to be generated can depend on
it.

BUG=none
TEST=none
[email protected]

Review URL: https://codereview.chromium.org/196243004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256545 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/mojo/mojo_services.gypi b/mojo/mojo_services.gypi
index 07a9a67..e3c8bb5 100644
--- a/mojo/mojo_services.gypi
+++ b/mojo/mojo_services.gypi
@@ -13,6 +13,10 @@
         'mojo_bindings',
         'mojo_system',
       ],
+      'dependencies': [
+        'mojo_bindings',
+        'mojo_system',
+      ],
     },
     {
       'target_name': 'mojo_gles2_service',
@@ -44,6 +48,10 @@
         'mojo_bindings',
         'mojo_system',
       ],
+      'dependencies': [
+        'mojo_bindings',
+        'mojo_system',
+      ],
     },
     {
       'target_name': 'mojo_native_viewport_service',