More build config cleanup.

build/config/linux/BUILD.gn

Index: build/config/linux/BUILD.gn
diff --git a/build/config/linux/BUILD.gn b/build/config/linux/BUILD.gn
index 660458850475abb9050112253abd5ae571615341..6a9a2ffe58b0f33fd79c1b0fbca2afc1b4fdab50 100644
--- a/build/config/linux/BUILD.gn
+++ b/build/config/linux/BUILD.gn
@@ -8,11 +8,6 @@ import("//build/config/sysroot.gni")
 import("//build/config/ui.gni")
 import("//tools/generate_library_loader/generate_library_loader.gni")
 
-gypi_values = exec_script("//build/gypi_to_gn.py",
-                          [ rebase_path("../../linux/system.gyp") ],
-                          "scope",
-                          [ "../../linux/system.gyp" ])
-
 config("sdk") {
   if (sysroot != "") {
     cflags = [ "--sysroot=" + sysroot ]
@@ -43,30 +38,6 @@ pkg_config("freetype2") {
   packages = [ "freetype2" ]
 }
 
-pkg_config("pangocairo") {
-  packages = [ "pangocairo" ]
-}
-
-pkg_config("pangoft2") {
-  packages = [ "pangoft2" ]
-}
-
-# Note: if your target also depends on //dbus, you don't need to add this
-# config (it will get added automatically if you depend on //dbus).
-pkg_config("dbus") {
-  packages = [ "dbus-1" ]
-}
-
-if (use_evdev_gestures) {
-  pkg_config("libevdev-cros") {
-    packages = [ "libevdev-cros" ]
-  }
-
-  pkg_config("libgestures") {
-    packages = [ "libgestures" ]
-  }
-}
-
 config("x11") {
   libs = [
     "X11",
@@ -90,42 +61,6 @@ config("libresolv") {
   libs = [ "resolv" ]
 }
 
-pkg_config("gio_config") {
-  packages = [ "gio-2.0" ]
-
-  # glib >=2.40 deprecate g_settings_list_schemas in favor of
-  # g_settings_schema_source_list_schemas. This function is not available on
-  # earlier versions that we still need to support (specifically, 2.32), so
-  # disable the warning with the GLIB_DISABLE_DEPRECATION_WARNINGS define.
-  # TODO(mgiuca): Remove this suppression when we drop support for Ubuntu 13.10
-  # (saucy) and earlier. Update the code to use
-  # g_settings_schema_source_list_schemas instead.
-  defines = [
-    "USE_GIO",
-    "GLIB_DISABLE_DEPRECATION_WARNINGS",
-  ]
-
-  # TODO(brettw) Theoretically I think ignore_libs should be set so that we
-  # don't link directly to GIO and use the loader generated below. But the gio
-  # target in GYP doesn't make any sense to me and appears to link directly to
-  # GIO in addition to making a loader. This this uncommented, the link in
-  # component build fails, so I think this is closer to the GYP build.
-  #ignore_libs = true  # Loader generated below.
-}
-
-if (is_desktop_linux) {
-  # This generates a target named "gio".
-  generate_library_loader("gio") {
-    name = "LibGioLoader"
-    output_h = "libgio.h"
-    output_cc = "libgio_loader.cc"
-    header = "<gio/gio.h>"
-    config = ":gio_config"
-
-    functions = gypi_values.libgio_functions
-  }
-}
-
 # This generates a target named "libpci".
 generate_library_loader("libpci") {
   name = "LibPciLoader"
@@ -133,10 +68,48 @@ generate_library_loader("libpci") {
   output_cc = "libpci_loader.cc"
   header = "<pci/pci.h>"
 
-  functions = gypi_values.libpci_functions
+  functions = [
+    "pci_alloc",
+    "pci_init",
+    "pci_cleanup",
+    "pci_scan_bus",
+    "pci_fill_info",
+    "pci_lookup_name",
+  ]
 }
 
-# Looking for libspeechd? Use //third_party/speech-dispatcher
+libudev_functions = [
+  "udev_device_get_action",
+  "udev_device_get_devnode",
+  "udev_device_get_parent",
+  "udev_device_get_parent_with_subsystem_devtype",
+  "udev_device_get_property_value",
+  "udev_device_get_subsystem",
+  "udev_device_get_sysattr_value",
+  "udev_device_get_sysname",
+  "udev_device_get_syspath",
+  "udev_device_new_from_devnum",
+  "udev_device_new_from_subsystem_sysname",
+  "udev_device_new_from_syspath",
+  "udev_device_unref",
+  "udev_enumerate_add_match_subsystem",
+  "udev_enumerate_get_list_entry",
+  "udev_enumerate_new",
+  "udev_enumerate_scan_devices",
+  "udev_enumerate_unref",
+  "udev_list_entry_get_next",
+  "udev_list_entry_get_name",
+  "udev_monitor_enable_receiving",
+  "udev_monitor_filter_add_match_subsystem_devtype",
+  "udev_monitor_get_fd",
+  "udev_monitor_new_from_netlink",
+  "udev_monitor_receive_device",
+  "udev_monitor_unref",
+  "udev_new",
+  "udev_set_log_fn",
+  "udev_set_log_priority",
+  "udev_unref",
+]
 
 # This generates a target named "udev0_loader".
 generate_library_loader("udev0_loader") {
@@ -145,7 +118,7 @@ generate_library_loader("udev0_loader") {
   output_cc = "libudev0_loader.cc"
   header = "\"third_party/libudev/libudev0.h\""
 
-  functions = gypi_values.libudev_functions
+  functions = libudev_functions
 }
 
 # This generates a target named "udev1_loader".
@@ -155,7 +128,7 @@ generate_library_loader("udev1_loader") {
   output_cc = "libudev1_loader.cc"
   header = "\"third_party/libudev/libudev1.h\""
 
-  functions = gypi_values.libudev_functions
+  functions = libudev_functions
 }
 
 group("udev") {