Update BUILD.gn after recent gRPC roll.

BUILD.gn

 config("grpc_config") {
   include_dirs = [
     ".",
     "include/",
   ]
 }
 
 config("grpc_no_cxx11_threads") {
   # TODO(xyzzyz): the <condition_variable> header in libstdc++-4.6 we're using
   # in Chromium has a bug, which causes a compilation error on Clang.
   # Therefore, we need to make gRPC not use standard library threading support.
   # https://crbug.com/593874
   defines = [ "GRPC_CXX0X_NO_THREAD" ]
 }
 
 # The structure of this build file generally follows the upstream gRPC structure
 # (compare with BUILD file). gRPC is split into multiple components to support
 # multiple programming language which usually only depend only on C core, and to
 # support building without SSL, among other things.
 
 component("gpr") {
   sources = [
     "src/core/lib/profiling/timers.h",
     "src/core/lib/support/backoff.h",
     "src/core/lib/support/block_annotate.h",
     "src/core/lib/support/env.h",
-    "src/core/lib/support/load_file.h",
     "src/core/lib/support/murmur_hash.h",
     "src/core/lib/support/stack_lockfree.h",
     "src/core/lib/support/string.h",
     "src/core/lib/support/string_windows.h",
     "src/core/lib/support/thd_internal.h",
     "src/core/lib/support/time_precise.h",
     "src/core/lib/support/tmpfile.h",
     "src/core/lib/profiling/basic_timers.c",
     "src/core/lib/profiling/stap_timers.c",
     "src/core/lib/support/alloc.c",
     "src/core/lib/support/avl.c",
     "src/core/lib/support/backoff.c",
     "src/core/lib/support/cmdline.c",
     "src/core/lib/support/cpu_iphone.c",
     "src/core/lib/support/cpu_linux.c",
     "src/core/lib/support/cpu_posix.c",
     "src/core/lib/support/cpu_windows.c",
     "src/core/lib/support/env_linux.c",
     "src/core/lib/support/env_posix.c",
     "src/core/lib/support/env_windows.c",
     "src/core/lib/support/histogram.c",
     "src/core/lib/support/host_port.c",
-    "src/core/lib/support/load_file.c",
     "src/core/lib/support/log.c",
     "src/core/lib/support/log_android.c",
     "src/core/lib/support/log_linux.c",
     "src/core/lib/support/log_posix.c",
     "src/core/lib/support/log_windows.c",
     "src/core/lib/support/murmur_hash.c",
     "src/core/lib/support/slice.c",
     "src/core/lib/support/slice_buffer.c",
     "src/core/lib/support/stack_lockfree.c",
     "src/core/lib/support/string.c",
@@ skipping 79 matching lines @@
     "src/core/lib/channel/http_server_filter.h",
     "src/core/lib/compression/algorithm_metadata.h",
     "src/core/lib/compression/message_compress.h",
     "src/core/lib/debug/trace.h",
     "src/core/lib/http/format_request.h",
     "src/core/lib/http/httpcli.h",
     "src/core/lib/http/parser.h",
     "src/core/lib/iomgr/closure.h",
     "src/core/lib/iomgr/endpoint.h",
     "src/core/lib/iomgr/endpoint_pair.h",
+    "src/core/lib/iomgr/error.h",
+    "src/core/lib/iomgr/ev_epoll_linux.h",
     "src/core/lib/iomgr/ev_poll_and_epoll_posix.h",
     "src/core/lib/iomgr/ev_poll_posix.h",
     "src/core/lib/iomgr/ev_posix.h",
     "src/core/lib/iomgr/exec_ctx.h",
     "src/core/lib/iomgr/executor.h",
     "src/core/lib/iomgr/iocp_windows.h",
     "src/core/lib/iomgr/iomgr.h",
     "src/core/lib/iomgr/iomgr_internal.h",
     "src/core/lib/iomgr/iomgr_posix.h",
+    "src/core/lib/iomgr/load_file.h",
+    "src/core/lib/iomgr/network_status_tracker.h",
     "src/core/lib/iomgr/polling_entity.h",
     "src/core/lib/iomgr/pollset.h",
     "src/core/lib/iomgr/pollset_set.h",
     "src/core/lib/iomgr/pollset_set_windows.h",
     "src/core/lib/iomgr/pollset_windows.h",
     "src/core/lib/iomgr/resolve_address.h",
     "src/core/lib/iomgr/sockaddr.h",
     "src/core/lib/iomgr/sockaddr_posix.h",
     "src/core/lib/iomgr/sockaddr_utils.h",
     "src/core/lib/iomgr/sockaddr_windows.h",
@@ skipping 21 matching lines @@
     "src/core/lib/surface/call.h",
     "src/core/lib/surface/call_test_only.h",
     "src/core/lib/surface/channel.h",
     "src/core/lib/surface/channel_init.h",
     "src/core/lib/surface/channel_stack_type.h",
     "src/core/lib/surface/completion_queue.h",
     "src/core/lib/surface/event_string.h",
     "src/core/lib/surface/init.h",
     "src/core/lib/surface/lame_client.h",
     "src/core/lib/surface/server.h",
-    "src/core/lib/surface/surface_trace.h",
     "src/core/lib/transport/byte_stream.h",
     "src/core/lib/transport/connectivity_state.h",
     "src/core/lib/transport/metadata.h",
     "src/core/lib/transport/metadata_batch.h",
     "src/core/lib/transport/static_metadata.h",
     "src/core/lib/transport/transport.h",
     "src/core/lib/transport/transport_impl.h",
+    "src/core/ext/transport/chttp2/transport/bin_decoder.h",
     "src/core/ext/transport/chttp2/transport/bin_encoder.h",
     "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
     "src/core/ext/transport/chttp2/transport/frame.h",
     "src/core/ext/transport/chttp2/transport/frame_data.h",
     "src/core/ext/transport/chttp2/transport/frame_goaway.h",
     "src/core/ext/transport/chttp2/transport/frame_ping.h",
     "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
     "src/core/ext/transport/chttp2/transport/frame_settings.h",
     "src/core/ext/transport/chttp2/transport/frame_window_update.h",
     "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
@@ skipping 44 matching lines @@
     "src/core/lib/compression/compression.c",
     "src/core/lib/compression/message_compress.c",
     "src/core/lib/debug/trace.c",
     "src/core/lib/http/format_request.c",
     "src/core/lib/http/httpcli.c",
     "src/core/lib/http/parser.c",
     "src/core/lib/iomgr/closure.c",
     "src/core/lib/iomgr/endpoint.c",
     "src/core/lib/iomgr/endpoint_pair_posix.c",
     "src/core/lib/iomgr/endpoint_pair_windows.c",
+    "src/core/lib/iomgr/error.c",
+    "src/core/lib/iomgr/ev_epoll_linux.c",
     "src/core/lib/iomgr/ev_poll_and_epoll_posix.c",
     "src/core/lib/iomgr/ev_poll_posix.c",
     "src/core/lib/iomgr/ev_posix.c",
     "src/core/lib/iomgr/exec_ctx.c",
     "src/core/lib/iomgr/executor.c",
     "src/core/lib/iomgr/iocp_windows.c",
     "src/core/lib/iomgr/iomgr.c",
     "src/core/lib/iomgr/iomgr_posix.c",
     "src/core/lib/iomgr/iomgr_windows.c",
+    "src/core/lib/iomgr/load_file.c",
+    "src/core/lib/iomgr/network_status_tracker.c",
     "src/core/lib/iomgr/polling_entity.c",
     "src/core/lib/iomgr/pollset_set_windows.c",
     "src/core/lib/iomgr/pollset_windows.c",
     "src/core/lib/iomgr/resolve_address_posix.c",
     "src/core/lib/iomgr/resolve_address_windows.c",
     "src/core/lib/iomgr/sockaddr_utils.c",
     "src/core/lib/iomgr/socket_utils_common_posix.c",
     "src/core/lib/iomgr/socket_utils_linux.c",
     "src/core/lib/iomgr/socket_utils_posix.c",
     "src/core/lib/iomgr/socket_windows.c",
@@ skipping 39 matching lines @@
     "src/core/lib/surface/version.c",
     "src/core/lib/transport/byte_stream.c",
     "src/core/lib/transport/connectivity_state.c",
     "src/core/lib/transport/metadata.c",
     "src/core/lib/transport/metadata_batch.c",
     "src/core/lib/transport/static_metadata.c",
     "src/core/lib/transport/transport.c",
     "src/core/lib/transport/transport_op_string.c",
     "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
     "src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c",
+    "src/core/ext/transport/chttp2/transport/bin_decoder.c",
     "src/core/ext/transport/chttp2/transport/bin_encoder.c",
     "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
     "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
     "src/core/ext/transport/chttp2/transport/frame_data.c",
     "src/core/ext/transport/chttp2/transport/frame_goaway.c",
     "src/core/ext/transport/chttp2/transport/frame_ping.c",
     "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
     "src/core/ext/transport/chttp2/transport/frame_settings.c",
     "src/core/ext/transport/chttp2/transport/frame_window_update.c",
     "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
@@ skipping 286 matching lines @@
   ]
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     "//build/config/compiler:no_chromium_code",
     "//third_party/protobuf:protobuf_config",
   ]
 
   public_configs = [ ":grpc_config" ]
 }