Move the test template to //testing/test.gni (part 2)

breakpad/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("//testing/test.gni")
+
 config("tools_config") {
   include_dirs = [
     "src",
     "src/third_party",
   ]
   if (is_android) {
     defines = [ "__ANDROID__" ]
   }
   if (is_clang) {
     cflags = [ "-Wno-tautological-constant-out-of-range-compare" ]
@@ skipping 757 matching lines @@
     sources = [
       "src/client/windows/sender/crash_report_sender.cc",
       "src/client/windows/sender/crash_report_sender.h",
       "src/common/windows/http_upload.cc",
       "src/common/windows/http_upload.h",
     ]
     configs += [ ":sender_config" ]
     public_configs = [ ":sender_config" ]
   }
 }