Copy Crashpad into the Chrome tree instead of importing it via DEPS

third_party/crashpad/crashpad/test/errors.cc

Index: third_party/crashpad/crashpad/test/errors.cc
diff --git a/third_party/crashpad/crashpad/test/errors.cc b/third_party/crashpad/crashpad/test/errors.cc
new file mode 100644
index 0000000000000000000000000000000000000000..14845062566a30ea2729cbd544a8d9ea7cc98309
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+++ b/third_party/crashpad/crashpad/test/errors.cc
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+// Copyright 2014 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "test/errors.h"
+
+#include <errno.h>
+
+#include "base/logging.h"
+#include "base/strings/stringprintf.h"
+#include "build/build_config.h"
+
+#if defined(OS_POSIX)
+#include "base/posix/safe_strerror.h"
+#elif defined(OS_WIN)
+#include <string.h>
+#include <windows.h>
+#endif
+
+namespace crashpad {
+namespace test {
+
+std::string ErrnoMessage(int err, const std::string& base) {
+#if defined(OS_POSIX)
+  std::string err_as_string = base::safe_strerror(errno);
+  const char* err_string = err_as_string.c_str();
+#elif defined(OS_WIN)
+  char err_string[256];
+  strerror_s(err_string, errno);
+#endif
+  return base::StringPrintf("%s%s%s (%d)",
+                            base.c_str(),
+                            base.empty() ? "" : ": ",
+                            err_string,
+                            err);
+}
+
+std::string ErrnoMessage(const std::string& base) {
+  return ErrnoMessage(errno, base);
+}
+
+#if defined(OS_WIN)
+std::string ErrorMessage(const std::string& base) {
+  return base::StringPrintf(
+      "%s%s%s",
+      base.c_str(),
+      base.empty() ? "" : ": ",
+      logging::SystemErrorCodeToString(GetLastError()).c_str());
+}
+#endif
+
+}  // namespace test
+}  // namespace crashpad