Remove one-time flags when restarting after update....

chrome/common/switch_utils_unittest.cc

+// Copyright (c) 2010 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 "chrome/common/switch_utils.h"
+
+#include "base/command_line.h"
+#include "chrome/common/chrome_switches.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(SwitchUtilsTest, RemoveSwitches) {
+#if defined(OS_WIN)
+  // All these command line args (except foo and bar) will
+  // be removed after RemoveSwitchesForAutostart:
+  CommandLine cmd_line = CommandLine::FromString(
+      L"program"
+      L" --app=http://www.google.com/"
+      L" --first-run"
+      L" --import"
+      L" --import-from-file=c:\\test.html"
+      L" --make-default-browser"
+      L" --foo"
+      L" --bar");
+  EXPECT_FALSE(cmd_line.command_line_string().empty());
+#elif defined(OS_POSIX)
+  const char* argv[] = {
+    "program",
+    "--app=http://www.google.com/",
+    "--first-run",
+    "--import",
+    "--import-from-file=c:\\test.html",
+    "--make-default-browser",
+    "--foo",
+    "--bar"};
+  CommandLine cmd_line(arraysize(argv), argv);
+#endif
+
+  std::map<std::string, CommandLine::StringType> switches =
+      cmd_line.GetSwitches();
+  EXPECT_EQ(7U, switches.size());
+
+  switches::RemoveSwitchesForAutostart(&switches);
+  EXPECT_EQ(2U, switches.size());
+  EXPECT_TRUE(cmd_line.HasSwitch("foo"));
+  EXPECT_TRUE(cmd_line.HasSwitch("bar"));
+}