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

content/browser/browser_child_process_host_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
 
 #include <list>
 
 #include "base/compiler_specific.h"
@@ skipping 28 matching lines @@
   // instance.
   static void TerminateAll();
 
   // BrowserChildProcessHost implementation:
   virtual bool Send(IPC::Message* message) OVERRIDE;
   virtual void Launch(
 #if defined(OS_WIN)
       SandboxedProcessLauncherDelegate* delegate,
 #elif defined(OS_POSIX)
       bool use_zygote,
-      const base::EnvironmentVector& environ,
+      const base::EnvironmentMap& environ,
 #endif
       CommandLine* cmd_line) OVERRIDE;
   virtual const ChildProcessData& GetData() const OVERRIDE;
   virtual ChildProcessHost* GetHost() const OVERRIDE;
   virtual base::TerminationStatus GetTerminationStatus(int* exit_code) OVERRIDE;
   virtual void SetName(const string16& name) OVERRIDE;
   virtual void SetHandle(base::ProcessHandle handle) OVERRIDE;
 
   // Returns the handle of the child process. This can be called only after
   // OnProcessLaunched is called or it will be invalid and may crash.
@@ skipping 51 matching lines @@
   // Watches to see if the child process exits before the IPC channel has
   // been connected. Thereafter, its exit is determined by an error on the
   // IPC channel.
   base::WaitableEventWatcher early_exit_watcher_;
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_