Added crashpad support for Windows

headless/BUILD.gn

 # Copyright 2015 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("//headless/headless.gni")
 import("//build/util/process_version.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//printing/features/features.gni")
 import("//testing/test.gni")
@@ skipping 531 matching lines @@
   ]
 
   deps = [
     ":headless",
     "//content/public/browser",
     "//content/public/common",
   ]
 
   if (is_win) {
     deps += [
+      "//components/crash/content/app:run_as_crashpad_handler",
       "//content:sandbox_helper_win",
       "//sandbox",
     ]
   }
 
   configs += [ ":headless_implementation" ]
 }
 
 # Headless library with child specific dependencies (e.g., renderer). This
 # is used when no browser depencendies are needed (e.g. chrome:child_dll).
@@ skipping 14 matching lines @@
     "public/headless_shell.h",
   ]
 
   deps = [
     ":headless_renderer",
     "//content/public/child:child",
     "//net",
     "//ui/base",
   ]
 
+  if (is_win) {
+    deps += [ "//components/crash/content/app:run_as_crashpad_handler" ]
+  }
+
   configs += [ ":headless_implementation" ]
 }
 
 # Headless library with all included dependencies. Use this library unless you
 # have browser/child dependencies restrictions.
 static_library("headless_shell_lib") {
   sources = [
     "app/headless_shell.cc",
     "app/headless_shell.h",
     "app/headless_shell_switches.cc",
     "app/headless_shell_switches.h",
     "app/shell_navigation_request.cc",
     "app/shell_navigation_request.h",
     "public/headless_shell.h",
   ]
 
   deps = [
     ":headless_renderer",
     "//content/public/app:both",
     "//content/public/browser",
     "//content/public/child:child",
     "//content/public/common",
   ]
 
   if (is_win) {
     deps += [
+      "//components/crash/content/app:run_as_crashpad_handler",
       "//content:sandbox_helper_win",
       "//sandbox",
     ]
   }
 }
 
 executable("headless_shell") {
   sources = [
     "app/headless_shell_main.cc",
   ]
@@ skipping 18 matching lines @@
 
 executable("headless_example") {
   sources = [
     "app/headless_example.cc",
   ]
 
   deps = [
     ":headless_shell_lib",
   ]
 }