Rename client_config directory to client_channel.
diff --git a/grpc.gemspec b/grpc.gemspec
index f249006..b327077 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -299,21 +299,21 @@
   s.files += %w( src/core/lib/tsi/ssl_types.h )
   s.files += %w( src/core/lib/tsi/transport_security.h )
   s.files += %w( src/core/lib/tsi/transport_security_interface.h )
-  s.files += %w( src/core/ext/client_config/client_channel.h )
-  s.files += %w( src/core/ext/client_config/client_channel_factory.h )
-  s.files += %w( src/core/ext/client_config/connector.h )
-  s.files += %w( src/core/ext/client_config/initial_connect_string.h )
-  s.files += %w( src/core/ext/client_config/lb_policy.h )
-  s.files += %w( src/core/ext/client_config/lb_policy_factory.h )
-  s.files += %w( src/core/ext/client_config/lb_policy_registry.h )
-  s.files += %w( src/core/ext/client_config/parse_address.h )
-  s.files += %w( src/core/ext/client_config/resolver.h )
-  s.files += %w( src/core/ext/client_config/resolver_factory.h )
-  s.files += %w( src/core/ext/client_config/resolver_registry.h )
-  s.files += %w( src/core/ext/client_config/resolver_result.h )
-  s.files += %w( src/core/ext/client_config/subchannel.h )
-  s.files += %w( src/core/ext/client_config/subchannel_index.h )
-  s.files += %w( src/core/ext/client_config/uri_parser.h )
+  s.files += %w( src/core/ext/client_channel/client_channel.h )
+  s.files += %w( src/core/ext/client_channel/client_channel_factory.h )
+  s.files += %w( src/core/ext/client_channel/connector.h )
+  s.files += %w( src/core/ext/client_channel/initial_connect_string.h )
+  s.files += %w( src/core/ext/client_channel/lb_policy.h )
+  s.files += %w( src/core/ext/client_channel/lb_policy_factory.h )
+  s.files += %w( src/core/ext/client_channel/lb_policy_registry.h )
+  s.files += %w( src/core/ext/client_channel/parse_address.h )
+  s.files += %w( src/core/ext/client_channel/resolver.h )
+  s.files += %w( src/core/ext/client_channel/resolver_factory.h )
+  s.files += %w( src/core/ext/client_channel/resolver_registry.h )
+  s.files += %w( src/core/ext/client_channel/resolver_result.h )
+  s.files += %w( src/core/ext/client_channel/subchannel.h )
+  s.files += %w( src/core/ext/client_channel/subchannel_index.h )
+  s.files += %w( src/core/ext/client_channel/uri_parser.h )
   s.files += %w( src/core/ext/lb_policy/grpclb/grpclb.h )
   s.files += %w( src/core/ext/lb_policy/grpclb/load_balancer_api.h )
   s.files += %w( src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h )
@@ -475,24 +475,24 @@
   s.files += %w( src/core/lib/tsi/ssl_transport_security.c )
   s.files += %w( src/core/lib/tsi/transport_security.c )
   s.files += %w( src/core/ext/transport/chttp2/client/secure/secure_channel_create.c )
-  s.files += %w( src/core/ext/client_config/channel_connectivity.c )
-  s.files += %w( src/core/ext/client_config/client_channel.c )
-  s.files += %w( src/core/ext/client_config/client_channel_factory.c )
-  s.files += %w( src/core/ext/client_config/client_config_plugin.c )
-  s.files += %w( src/core/ext/client_config/connector.c )
-  s.files += %w( src/core/ext/client_config/default_initial_connect_string.c )
-  s.files += %w( src/core/ext/client_config/initial_connect_string.c )
-  s.files += %w( src/core/ext/client_config/lb_policy.c )
-  s.files += %w( src/core/ext/client_config/lb_policy_factory.c )
-  s.files += %w( src/core/ext/client_config/lb_policy_registry.c )
-  s.files += %w( src/core/ext/client_config/parse_address.c )
-  s.files += %w( src/core/ext/client_config/resolver.c )
-  s.files += %w( src/core/ext/client_config/resolver_factory.c )
-  s.files += %w( src/core/ext/client_config/resolver_registry.c )
-  s.files += %w( src/core/ext/client_config/resolver_result.c )
-  s.files += %w( src/core/ext/client_config/subchannel.c )
-  s.files += %w( src/core/ext/client_config/subchannel_index.c )
-  s.files += %w( src/core/ext/client_config/uri_parser.c )
+  s.files += %w( src/core/ext/client_channel/channel_connectivity.c )
+  s.files += %w( src/core/ext/client_channel/client_channel.c )
+  s.files += %w( src/core/ext/client_channel/client_channel_factory.c )
+  s.files += %w( src/core/ext/client_channel/client_channel_plugin.c )
+  s.files += %w( src/core/ext/client_channel/connector.c )
+  s.files += %w( src/core/ext/client_channel/default_initial_connect_string.c )
+  s.files += %w( src/core/ext/client_channel/initial_connect_string.c )
+  s.files += %w( src/core/ext/client_channel/lb_policy.c )
+  s.files += %w( src/core/ext/client_channel/lb_policy_factory.c )
+  s.files += %w( src/core/ext/client_channel/lb_policy_registry.c )
+  s.files += %w( src/core/ext/client_channel/parse_address.c )
+  s.files += %w( src/core/ext/client_channel/resolver.c )
+  s.files += %w( src/core/ext/client_channel/resolver_factory.c )
+  s.files += %w( src/core/ext/client_channel/resolver_registry.c )
+  s.files += %w( src/core/ext/client_channel/resolver_result.c )
+  s.files += %w( src/core/ext/client_channel/subchannel.c )
+  s.files += %w( src/core/ext/client_channel/subchannel_index.c )
+  s.files += %w( src/core/ext/client_channel/uri_parser.c )
   s.files += %w( src/core/ext/transport/chttp2/server/insecure/server_chttp2.c )
   s.files += %w( src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c )
   s.files += %w( src/core/ext/transport/chttp2/client/insecure/channel_create.c )