[Chromecast] Consolidate duplicated crash test functions.

chromecast/crash/linux/dump_info_unittest.cc

Index: chromecast/crash/linux/dump_info_unittest.cc
diff --git a/chromecast/crash/linux/dump_info_unittest.cc b/chromecast/crash/linux/dump_info_unittest.cc
index fcbd646b2a42043986456307e074c4c0daa67f2d..c567e8e146d94f22350846382487f213816dc62c 100644
--- a/chromecast/crash/linux/dump_info_unittest.cc
+++ b/chromecast/crash/linux/dump_info_unittest.cc
@@ -5,21 +5,12 @@
 #include <time.h>
 
 #include "base/values.h"
-#include "chromecast/base/serializers.h"
+#include "chromecast/crash/linux/crash_testing_utils.h"
 #include "chromecast/crash/linux/dump_info.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromecast {
 
-namespace {
-
-scoped_ptr<DumpInfo> CreateDumpInfo(const std::string& json_string) {
-  scoped_ptr<base::Value> value(DeserializeFromJson(json_string));
-  return make_scoped_ptr(new DumpInfo(value.get()));
-}
-
-}  // namespace
-
 TEST(DumpInfoTest, EmptyStringIsNotValid) {
   scoped_ptr<DumpInfo> dump_info(CreateDumpInfo(""));
   ASSERT_FALSE(dump_info->valid());
@@ -202,4 +193,4 @@ TEST(DumpInfoTest, TooManyFieldsIsNotValid) {
   ASSERT_FALSE(info->valid());
 }
 
-}  // chromecast
+}  // namespace chromecast