[Blimp Client] Land CL 1528243002 (Add a basic linux client for Blimp)

blimp/client/linux/blimp_main.cc

+// Copyright 2015 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 <X11/Xlib.h>
+#include <string>
+
+#include "base/at_exit.h"
+#include "base/command_line.h"
+#include "base/run_loop.h"
+#include "blimp/client/blimp_startup.h"
+#include "blimp/client/session/blimp_client_session_linux.h"
+#include "blimp/client/session/navigation_feature.h"
+
+namespace {
+const char kDefaultUrl[] = "https://www.google.com";
+const int kDummyTabId = 0;
+}
+
+int main(int argc, const char**argv) {
+  base::AtExitManager at_exit;
+
+  base::CommandLine::Init(argc, argv);
+
+  XInitThreads();
+
+  blimp::InitializeLogging();
+  blimp::InitializeMainMessageLoop();
+
+  blimp::BlimpClientSessionLinux session;
+
+  // If there is a non-switch argument to the command line, load that url.
+  base::CommandLine::StringVector args =
+      base::CommandLine::ForCurrentProcess()->GetArgs();
+  std::string url = args.size() > 0 ? args[0] : kDefaultUrl;
+
+  session.GetNavigationFeature()->NavigateToUrlText(kDummyTabId, url);
+
+  base::RunLoop().Run();
+}