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

third_party/crashpad/crashpad/util/synchronization/semaphore_win.cc

Index: third_party/crashpad/crashpad/util/synchronization/semaphore_win.cc
diff --git a/third_party/crashpad/crashpad/util/synchronization/semaphore_win.cc b/third_party/crashpad/crashpad/util/synchronization/semaphore_win.cc
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+++ b/third_party/crashpad/crashpad/util/synchronization/semaphore_win.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/synchronization/semaphore.h"
+
+#include <limits>
+
+#include "base/logging.h"
+
+namespace crashpad {
+
+Semaphore::Semaphore(int value)
+    : semaphore_(CreateSemaphore(nullptr,
+                                 value,
+                                 std::numeric_limits<LONG>::max(),
+                                 nullptr)) {
+  PCHECK(semaphore_) << "CreateSemaphore";
+}
+
+Semaphore::~Semaphore() {
+  PCHECK(CloseHandle(semaphore_));
+}
+
+void Semaphore::Wait() {
+  PCHECK(WaitForSingleObject(semaphore_, INFINITE) == WAIT_OBJECT_0);
+}
+
+bool Semaphore::TimedWait(double seconds) {
+  DCHECK_GE(seconds, 0.0);
+  DWORD rv = WaitForSingleObject(semaphore_, static_cast<DWORD>(seconds * 1E3));
+  PCHECK(rv == WAIT_OBJECT_0 || rv == WAIT_TIMEOUT) << "WaitForSingleObject";
+  return rv == WAIT_OBJECT_0;
+}
+
+void Semaphore::Signal() {
+  PCHECK(ReleaseSemaphore(semaphore_, 1, nullptr));
+}
+
+}  // namespace crashpad