Turn components/crash into a layered component.

components/crash/content/app/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.
 
 if (is_android) {
   import("//build/config/android/config.gni")
 }
 
 source_set("lib") {
   sources = [
     "crash_keys_win.cc",
     "crash_keys_win.h",
     "crash_reporter_client.cc",
     "crash_reporter_client.h",
   ]
 
-  include_dirs = [ "../../../breakpad/src" ]
+  include_dirs = [ "../../../../breakpad/src" ]
 }
 
 # Note: if you depend on this target, you need to either link in
 # content.gyp:content_common, or add content/public/common/content_switches.cc
 # to your sources.
 #
 # GYP version: components/crash.gypi:crash_component
 source_set("app") {
   sources = [
     "breakpad_linux_impl.h",
@@ skipping 42 matching lines @@
   } else if (is_posix && !is_ios) {
     deps += [ "//breakpad:client" ]
   }
 }
 
 source_set("test_support") {
   deps = [
     ":lib",
   ]
 }