Add mus::mojom::ChannelHandle for passing IPC::ChannelHandle via mojo IPC.

components/mus/gpu/gpu_type_converters_unittest.cc

Index: components/mus/gpu/gpu_type_converters_unittest.cc
diff --git a/components/mus/gpu/gpu_type_converters_unittest.cc b/components/mus/gpu/gpu_type_converters_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..14722dcd8af65ad73b29aab7f105e6892016e754
--- /dev/null
+++ b/components/mus/gpu/gpu_type_converters_unittest.cc
@@ -0,0 +1,57 @@
+// Copyright 2016 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 <string>
+
+#include "base/files/scoped_file.h"
+#include "components/mus/gpu/gpu_type_converters.h"
+#include "build/build_config.h"
+#include "ipc/ipc_channel.h"
+#include "ipc/ipc_channel_handle.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+// Test for mojo TypeConverter of mus::mojom::ChannelHandle.
+TEST(MusGpuTypeConvertersTest, ChannelHandle) {
+  {
+    const std::string channel_name = "test_channel_name";
+    IPC::ChannelHandle handle(channel_name);
+
+    mus::mojom::ChannelHandlePtr mojo_handle =
+        mus::mojom::ChannelHandle::From(handle);
+    ASSERT_EQ(mojo_handle->name, channel_name);
+    EXPECT_FALSE(mojo_handle->socket.is_valid());
+
+    handle = mojo_handle.To<IPC::ChannelHandle>();
+    ASSERT_EQ(handle.name, channel_name);
+#if defined(OS_POSIX)
+    ASSERT_EQ(handle.socket.fd, -1);
+#endif
+  }
+
+#if defined(OS_POSIX)
+  {
+    const std::string channel_name = "test_channel_name";
+    int fd1 = -1;
+    int fd2 = -1;
+    bool result = IPC::SocketPair(&fd1, &fd2);
+    EXPECT_TRUE(result);
+
+    base::ScopedFD scoped_fd1(fd1);
+    base::ScopedFD scoped_fd2(fd2);
+    IPC::ChannelHandle handle(channel_name,
+                              base::FileDescriptor(scoped_fd1.get(), false));
+
+    mus::mojom::ChannelHandlePtr mojo_handle =
+        mus::mojom::ChannelHandle::From(handle);
+    ASSERT_EQ(mojo_handle->name, channel_name);
+    EXPECT_TRUE(mojo_handle->socket.is_valid());
+
+    handle = mojo_handle.To<IPC::ChannelHandle>();
+    ASSERT_EQ(handle.name, channel_name);
+    ASSERT_NE(handle.socket.fd, -1);
+    EXPECT_TRUE(handle.socket.auto_close);
+    base::ScopedFD socped_fd3(handle.socket.fd);
+  }
+#endif
+}