Download driver for components/download.

components/download/internal/driver_entry.cc

Index: components/download/internal/driver_entry.cc
diff --git a/components/download/internal/driver_entry.cc b/components/download/internal/driver_entry.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a417511bd56e0ae4808191fb7dbf15a641135ae9
--- /dev/null
+++ b/components/download/internal/driver_entry.cc
@@ -0,0 +1,25 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/download/internal/driver_entry.h"
+
+#include "net/http/http_response_headers.h"
+
+namespace download {
+
+DriverEntry::DriverEntry()
+    : state(State::UNKNOWN),
+      paused(false),
+      bytes_downloaded(0u),
+      expected_total_size(0u) {}
+
+DriverEntry::DriverEntry(const DriverEntry& other) = default;
+
+DriverEntry::~DriverEntry() = default;
+
+bool DriverEntry::valid() const {
+  return state != State::UNKNOWN && !guid.empty();
+}
+
+}  // namespace download