Add breakpad component to GN build.

components/breakpad/tools/BUILD.gn

Index: components/breakpad/tools/BUILD.gn
diff --git a/device/udev_linux/BUILD.gn b/components/breakpad/tools/BUILD.gn
similarity index 50%
copy from device/udev_linux/BUILD.gn
copy to components/breakpad/tools/BUILD.gn
index 917a7e593d464803db64a902fa3a824f341eeb45..665398e9a5928bceade9edde2ea1cb6ca208ea8c 100644
--- a/device/udev_linux/BUILD.gn
+++ b/components/breakpad/tools/BUILD.gn
@@ -2,21 +2,17 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//build/config/features.gni")
-
-if (use_udev) {
-  source_set("udev_linux") {
+if (is_win) {
+  source_set("crash_service") {
     sources = [
-      "udev.cc",
-      "udev.h",
+      "crash_service.cc",
+      "crash_service.h",
     ]
 
     deps = [
       "//base",
-    ]
-
-    configs += [
-      "//build/config/linux:udev",
+      #'../breakpad/breakpad.gyp:breakpad_handler',  TODO(GYP)
+      #'../breakpad/breakpad.gyp:breakpad_sender',  TODO(GYP)
     ]
   }
 }