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

third_party/crashpad/crashpad/util/thread/thread.cc

Index: third_party/crashpad/crashpad/util/thread/thread.cc
diff --git a/third_party/crashpad/crashpad/util/thread/thread.cc b/third_party/crashpad/crashpad/util/thread/thread.cc
new file mode 100644
index 0000000000000000000000000000000000000000..04782bb797895566aeba80e901f086f8bbdb2360
--- /dev/null
+++ b/third_party/crashpad/crashpad/util/thread/thread.cc
@@ -0,0 +1,28 @@
+// Copyright 2015 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/thread/thread.h"
+
+#include "base/logging.h"
+
+namespace crashpad {
+
+Thread::Thread() : platform_thread_(0) {
+}
+
+Thread::~Thread() {
+  DCHECK(!platform_thread_);
+}
+
+}  // namespace crashpad