[Chromecast] Consolidate duplicated crash test functions.

chromecast/crash/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("//testing/test.gni")
 
 source_set("crash") {
   sources = [
     "app_state_tracker.cc",
     "app_state_tracker.h",
@@ skipping 19 matching lines @@
   configs += [ "//chromecast:config" ]
 
   deps = [
     "//base",
     "//breakpad:client",
     "//chromecast/base",
     "//chromecast/base:cast_version",
   ]
 }
 
+source_set("test_support") {
+  sources = [
+    "linux/crash_testing_utils.cc",
+    "linux/crash_testing_utils.h",
+  ]
+
+  deps = [
+    ":crash",
+    "//base",
+  ]
+}
+
 test("cast_crash_unittests") {
   sources = [
     "cast_crashdump_uploader_unittest.cc",
     "linux/dummy_minidump_generator_unittest.cc",
     "linux/dump_info_unittest.cc",
     "linux/minidump_writer_unittest.cc",
     "linux/synchronized_minidump_manager_unittest.cc",
   ]
 
   deps = [
     ":crash",
+    ":test_support",
     "//base",
     "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//breakpad:client",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }