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

third_party/crashpad/crashpad/test/paths_test_data_root.txt

Index: third_party/crashpad/crashpad/test/paths_test_data_root.txt
diff --git a/third_party/crashpad/crashpad/test/paths_test_data_root.txt b/third_party/crashpad/crashpad/test/paths_test_data_root.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ddd26425372bc5608b37c4379d140827b850301
--- /dev/null
+++ b/third_party/crashpad/crashpad/test/paths_test_data_root.txt
@@ -0,0 +1,16 @@
+# 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.
+
+This file is used by Paths::TestDataRoot() to locate the test data root. It
+is present at a known path from the test data root.