Reports host version, host os and host os version for It2me Host.

remoting/host/it2me/it2me_host_unittest.cc

 // 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 "remoting/host/it2me/it2me_host.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/policy/policy_constants.h"
 #include "remoting/base/auto_thread_task_runner.h"
 #include "remoting/host/chromoting_host_context.h"
 #include "remoting/host/it2me/it2me_confirmation_dialog.h"
 #include "remoting/host/policy_watcher.h"
 #include "remoting/signaling/fake_signal_strategy.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+#if defined(OS_LINUX)
+#include "base/linux_util.h"
+#endif  // defined(OS_LINUX)
+
 namespace remoting {
 
 namespace {
 
 // Shortening some type names for readability.
 typedef protocol::ValidatingAuthenticator::Result ValidationResult;
 typedef It2MeConfirmationDialog::Result DialogResult;
 
 const char kTestUserName[] = "ficticious_user@gmail.com";
 const char kTestClientJid[] = "ficticious_user@gmail.com/jid_resource";
@@ skipping 135 matching lines @@
   base::WeakPtrFactory<It2MeHostTest> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(It2MeHostTest);
 };
 
 It2MeHostTest::It2MeHostTest() : weak_factory_(this) {}
 
 It2MeHostTest::~It2MeHostTest() {}
 
 void It2MeHostTest::SetUp() {
+#if defined(OS_LINUX)
+  // Need to prime the host OS version value for linux to prevent IO on the
+  // network thread. base::GetLinuxDistro() caches the result.
+  base::GetLinuxDistro();
+#endif
   message_loop_.reset(new base::MessageLoop());
   run_loop_.reset(new base::RunLoop());
 
   std::unique_ptr<ChromotingHostContext> host_context(
       ChromotingHostContext::Create(new AutoThreadTaskRunner(
           base::ThreadTaskRunnerHandle::Get(), run_loop_->QuitClosure())));
   network_task_runner_ = host_context->network_task_runner();
   ui_task_runner_ = host_context->ui_task_runner();
 
   std::unique_ptr<FakeIt2MeDialogFactory> dialog_factory(
@@ skipping 326 matching lines @@
   ASSERT_EQ(ValidationResult::SUCCESS, validation_result_);
   ASSERT_EQ(It2MeHostState::kConnecting, last_host_state_);
 
   RunValidationCallback(kTestClientJid2);
   ASSERT_EQ(ValidationResult::ERROR_TOO_MANY_CONNECTIONS, validation_result_);
   RunUntilStateChanged(It2MeHostState::kDisconnected);
   ASSERT_EQ(It2MeHostState::kDisconnected, last_host_state_);
 }
 
 }  // namespace remoting