Move more Mojo bindings helpers out of internal namespace

mojo/public/cpp/bindings/BUILD.gn

 # Copyright 2014 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.
 
 source_set("bindings") {
   sources = [
     "array.h",
     "array_traits.h",
     "array_traits_carray.h",
     "array_traits_standard.h",
     "array_traits_stl.h",
     "associated_binding.h",
     "associated_group.h",
     "associated_group_controller.h",
     "associated_interface_ptr.h",
     "associated_interface_ptr_info.h",
     "associated_interface_request.h",
     "binding.h",
     "binding_set.h",
+    "connector.h",
     "enum_traits.h",
     "interface_endpoint_client.h",
     "interface_endpoint_controller.h",
     "interface_id.h",
     "interface_ptr.h",
     "interface_ptr_info.h",
     "interface_ptr_set.h",
     "interface_request.h",
     "lib/array_internal.cc",
     "lib/array_internal.h",
     "lib/array_serialization.h",
     "lib/associated_group.cc",
     "lib/associated_group_controller.cc",
     "lib/associated_interface_ptr_state.h",
     "lib/binding_state.h",
     "lib/bindings_internal.h",
     "lib/buffer.h",
     "lib/connector.cc",
-    "lib/connector.h",
     "lib/control_message_handler.cc",
     "lib/control_message_handler.h",
     "lib/control_message_proxy.cc",
     "lib/control_message_proxy.h",
     "lib/filter_chain.cc",
     "lib/filter_chain.h",
     "lib/fixed_buffer.cc",
     "lib/fixed_buffer.h",
     "lib/handle_interface_serialization.h",
     "lib/interface_endpoint_client.cc",
     "lib/interface_ptr_state.h",
     "lib/map_data_internal.h",
     "lib/map_serialization.h",
     "lib/message.cc",
     "lib/message_buffer.cc",
     "lib/message_buffer.h",
     "lib/message_builder.cc",
     "lib/message_builder.h",
     "lib/message_filter.cc",
     "lib/message_header_validator.cc",
-    "lib/message_header_validator.h",
     "lib/message_internal.h",
     "lib/multiplex_router.cc",
     "lib/multiplex_router.h",
     "lib/native_enum_data.h",
     "lib/native_enum_serialization.h",
     "lib/native_struct.cc",
     "lib/native_struct_data.cc",
     "lib/native_struct_data.h",
     "lib/native_struct_serialization.cc",
     "lib/native_struct_serialization.h",
     "lib/no_interface.cc",
     "lib/pipe_control_message_handler.cc",
-    "lib/pipe_control_message_handler.h",
-    "lib/pipe_control_message_handler_delegate.h",
     "lib/pipe_control_message_proxy.cc",
-    "lib/pipe_control_message_proxy.h",
     "lib/router.cc",
     "lib/router.h",
     "lib/scoped_interface_endpoint_handle.cc",
     "lib/serialization.h",
     "lib/serialization_context.cc",
     "lib/serialization_context.h",
     "lib/serialization_forward.h",
     "lib/serialization_util.cc",
     "lib/serialization_util.h",
     "lib/string_serialization.h",
     "lib/string_traits_string16.cc",
     "lib/sync_call_restrictions.cc",
     "lib/sync_handle_registry.cc",
     "lib/sync_handle_watcher.cc",
-    "lib/sync_handle_watcher.h",
     "lib/template_util.h",
     "lib/union_accessor.h",
     "lib/validate_params.h",
     "lib/validation_context.cc",
     "lib/validation_context.h",
     "lib/validation_errors.cc",
     "lib/validation_errors.h",
     "lib/validation_util.cc",
     "lib/validation_util.h",
     "map.h",
     "map_traits.h",
     "map_traits_standard.h",
     "map_traits_stl.h",
     "message.h",
     "message_filter.h",
+    "message_header_validator.h",
     "native_enum.h",
     "native_struct.h",
     "no_interface.h",
+    "pipe_control_message_handler.h",
+    "pipe_control_message_handler_delegate.h",
+    "pipe_control_message_proxy.h",
     "scoped_interface_endpoint_handle.h",
     "stl_converters.h",
     "string.h",
     "string_traits.h",
     "string_traits_standard.h",
     "string_traits_stl.h",
     "string_traits_string16.h",
     "string_traits_string_piece.h",
     "strong_binding.h",
     "struct_ptr.h",
     "sync_call_restrictions.h",
     "sync_handle_registry.h",
+    "sync_handle_watcher.h",
     "type_converter.h",
   ]
 
   public_deps = [
     ":struct_traits",
     "//base",
     "//ipc:param_traits",
     "//mojo/public/cpp/system",
   ]
 
@@ skipping 24 matching lines @@
     ]
 
     public_deps = [
       ":bindings",
       "//third_party/WebKit/Source/wtf",
     ]
 
     public_configs = [ "//third_party/WebKit/Source:config" ]
   }
 }