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

content/browser/plugin_process_host.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 "content/browser/plugin_process_host.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #elif defined(OS_POSIX)
 #include <utility>  // for pair<>
@@ skipping 202 matching lines @@
   std::string locale = GetContentClient()->browser()->GetApplicationLocale();
   if (!locale.empty()) {
     // Pass on the locale so the null plugin will use the right language in the
     // prompt to install the desired plugin.
     cmd_line->AppendSwitchASCII(switches::kLang, locale);
   }
 
   cmd_line->AppendSwitchASCII(switches::kProcessChannelID, channel_id);
 
 #if defined(OS_POSIX)
-  base::EnvironmentVector env;
+  base::EnvironmentMap env;
 #if defined(OS_MACOSX) && !defined(__LP64__)
   if (!browser_command_line.HasSwitch(switches::kDisableCarbonInterposing)) {
     std::string interpose_list = GetContentClient()->GetCarbonInterposePath();
     if (!interpose_list.empty()) {
       // Add our interposing library for Carbon. This is stripped back out in
       // plugin_main.cc, so changes here should be reflected there.
       const char* existing_list = getenv(kDYLDInsertLibrariesKey);
       if (existing_list) {
         interpose_list.insert(0, ":");
         interpose_list.insert(0, existing_list);
       }
     }
-    env.push_back(std::pair<std::string, std::string>(
-        kDYLDInsertLibrariesKey, interpose_list));
+    env[kDYLDInsertLibrariesKey] = interpose_list;
   }
 #endif
 #endif
 
   process_->Launch(
 #if defined(OS_WIN)
       new PluginSandboxedProcessLauncherDelegate,
 #elif defined(OS_POSIX)
       false,
       env,
@@ skipping 160 matching lines @@
 void PluginProcessHost::OnChannelCreated(
     const IPC::ChannelHandle& channel_handle) {
   Client* client = sent_requests_.front();
 
   if (client)
     client->OnChannelOpened(channel_handle);
   sent_requests_.pop_front();
 }
 
 }  // namespace content