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

third_party/crashpad/crashpad/util/file/file_io.cc

Index: third_party/crashpad/crashpad/util/file/file_io.cc
diff --git a/third_party/crashpad/crashpad/util/file/file_io.cc b/third_party/crashpad/crashpad/util/file/file_io.cc
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index 0000000000000000000000000000000000000000..98eb3404a9560af361e6065247352b4b23a589a4
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+++ b/third_party/crashpad/crashpad/util/file/file_io.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 "util/file/file_io.h"
+
+#include "base/logging.h"
+#include "base/numerics/safe_conversions.h"
+
+namespace crashpad {
+
+bool LoggingReadFile(FileHandle file, void* buffer, size_t size) {
+  FileOperationResult expect = base::checked_cast<FileOperationResult>(size);
+  FileOperationResult rv = ReadFile(file, buffer, size);
+  if (rv < 0) {
+    PLOG(ERROR) << "read";
+    return false;
+  }
+  if (rv != expect) {
+    LOG(ERROR) << "read: expected " << expect << ", observed " << rv;
+    return false;
+  }
+
+  return true;
+}
+
+bool LoggingWriteFile(FileHandle file, const void* buffer, size_t size) {
+  FileOperationResult expect = base::checked_cast<FileOperationResult>(size);
+  FileOperationResult rv = WriteFile(file, buffer, size);
+  if (rv < 0) {
+    PLOG(ERROR) << "write";
+    return false;
+  }
+  if (rv != expect) {
+    LOG(ERROR) << "write: expected " << expect << ", observed " << rv;
+    return false;
+  }
+
+  return true;
+}
+
+void CheckedReadFile(FileHandle file, void* buffer, size_t size) {
+  CHECK(LoggingReadFile(file, buffer, size));
+}
+
+void CheckedWriteFile(FileHandle file, const void* buffer, size_t size) {
+  CHECK(LoggingWriteFile(file, buffer, size));
+}
+
+void CheckedReadFileAtEOF(FileHandle file) {
+  char c;
+  FileOperationResult rv = ReadFile(file, &c, 1);
+  if (rv < 0) {
+    PCHECK(rv == 0) << "read";
+  } else {
+    CHECK_EQ(rv, 0) << "read";
+  }
+}
+
+void CheckedCloseFile(FileHandle file) {
+  CHECK(LoggingCloseFile(file));
+}
+
+}  // namespace crashpad