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

content/browser/worker_host/worker_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/worker_host/worker_process_host.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 197 matching lines @@
       use_zygote = false;
     }
   }
 #endif
 
   process_->Launch(
 #if defined(OS_WIN)
       new WorkerSandboxedProcessLauncherDelegate,
 #elif defined(OS_POSIX)
       use_zygote,
-      base::EnvironmentVector(),
+      base::EnvironmentMap(),
 #endif
       cmd_line);
 
   ChildProcessSecurityPolicyImpl::GetInstance()->AddWorker(
       process_->GetData().id, render_process_id);
   CreateMessageFilters(render_process_id);
 
   return true;
 }
 
@@ skipping 489 matching lines @@
   return false;
 }
 
 WorkerProcessHost::WorkerInstance::FilterInfo
 WorkerProcessHost::WorkerInstance::GetFilter() const {
   DCHECK(NumFilters() == 1);
   return *filters_.begin();
 }
 
 }  // namespace content