Move AlterEnvironment to base/environment.h, implement on Windows.

chrome/browser/platform_util_linux.cc

 // Copyright (c) 2012 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/browser/platform_util.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/process/kill.h"
 #include "base/process/launch.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/browser_thread.h"
 #include "url/gurl.h"
 
 using content::BrowserThread;
 
 namespace {
 
 void XDGUtil(const std::string& util, const std::string& arg) {
   std::vector<std::string> argv;
   argv.push_back(util);
   argv.push_back(arg);
 
-  base::EnvironmentVector env;
+  base::LaunchOptions options;
   // xdg-open can fall back on mailcap which eventually might plumb through
   // to a command that needs a terminal.  Set the environment variable telling
   // it that we definitely don't have a terminal available and that it should
   // bring up a new terminal if necessary.  See "man mailcap".
-  env.push_back(std::make_pair("MM_NOTTTY", "1"));
+  options.environ["MM_NOTTTY"] = "1";
 
   // In Google Chrome, we do not let GNOME's bug-buddy intercept our crashes.
   // However, we do not want this environment variable to propagate to external
   // applications. See http://crbug.com/24120
   char* disable_gnome_bug_buddy = getenv("GNOME_DISABLE_CRASH_DIALOG");
   if (disable_gnome_bug_buddy &&
-      disable_gnome_bug_buddy == std::string("SET_BY_GOOGLE_CHROME")) {
-    env.push_back(std::make_pair("GNOME_DISABLE_CRASH_DIALOG", ""));
-  }
+      disable_gnome_bug_buddy == std::string("SET_BY_GOOGLE_CHROME"))
+    options.environ["GNOME_DISABLE_CRASH_DIALOG"] = std::string();
 
   base::ProcessHandle handle;
-  base::LaunchOptions options;
-  options.environ = &env;
   if (base::LaunchProcess(argv, options, &handle))
     base::EnsureProcessGetsReaped(handle);
 }
 
 void XDGOpen(const std::string& path) {
   XDGUtil("xdg-open", path);
 }
 
 void XDGEmail(const std::string& email) {
   XDGUtil("xdg-email", email);
@@ skipping 27 matching lines @@
 }
 
 void OpenExternal(const GURL& url) {
   if (url.SchemeIs("mailto"))
     XDGEmail(url.spec());
   else
     XDGOpen(url.spec());
 }
 
 }  // namespace platform_util