gpu/config: Use angle::GetSystemInfo on Linux

gpu/config/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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/ui.gni")
 
-declare_args() {
-  # Use the PCI lib to collect GPU information on Linux.
-  use_libpci = is_linux && (!is_chromecast || is_cast_desktop_build) &&
-               (use_x11 || use_ozone)
-}
-
 group("config") {
   if (is_component_build) {
     public_deps = [
       "//gpu",
     ]
   } else {
     public_deps = [
       ":config_sources",
     ]
   }
@@ skipping 23 matching lines @@
     "gpu_feature_info.h",
     "gpu_feature_type.h",
     "gpu_finch_features.cc",
     "gpu_finch_features.h",
     "gpu_info.cc",
     "gpu_info.h",
     "gpu_info_collector.cc",
     "gpu_info_collector.h",
     "gpu_info_collector_android.cc",
     "gpu_info_collector_linux.cc",
-    "gpu_info_collector_linux.h",
     "gpu_info_collector_mac.mm",
-    "gpu_info_collector_ozone.cc",
     "gpu_info_collector_win.cc",
-    "gpu_info_collector_x11.cc",
     "gpu_switches.cc",
     "gpu_switches.h",
     "gpu_test_config.cc",
     "gpu_test_config.h",
     "gpu_test_expectations_parser.cc",
     "gpu_test_expectations_parser.h",
     "gpu_util.cc",
     "gpu_util.h",
     "software_rendering_list_json.cc",
   ]
@@ skipping 21 matching lines @@
       "setupapi.lib",
     ]
 
     if (is_chrome_branded && is_official_build) {
       sources += [
         "//third_party/amd/AmdCfxPxExt.h",
         "//third_party/amd/amd_videocard_info_win.cc",
       ]
     }
   }
+  if (is_linux) {
+    deps += [ "//third_party/angle:angle_gpu_info_util" ]
+  }
   if (is_mac) {
     libs = [
       "IOKit.framework",
       "CoreFoundation.framework",
     ]
   }
-  if (use_libpci) {
-    defines = [ "USE_LIBPCI=1" ]
-    deps += [ "//build/linux/libpci" ]
-  }
-  if (is_linux && use_x11) {
-    configs += [
-      "//build/config/linux:x11",
-      "//build/config/linux:xext",
-    ]
-    deps += [
-      "//third_party/libXNVCtrl",
-      "//ui/gfx/x",
-    ]
-  } else {
-    sources -= [ "gpu_info_collector_x11.cc" ]
-  }
-  if (!use_ozone) {
-    sources -= [ "gpu_info_collector_ozone.cc" ]
-  }
 }