--- a/ipc/chromium/moz.build
+++ b/ipc/chromium/moz.build
@@ -38,17 +38,16 @@ if os_win:
         'src/base/cpu.cc',
         'src/base/file_util_win.cc',
         'src/base/lock_impl_win.cc',
         'src/base/message_pump_win.cc',
         'src/base/object_watcher.cc',
         'src/base/platform_file_win.cc',
         'src/base/platform_thread_win.cc',
         'src/base/process_util_win.cc',
-        'src/base/process_win.cc',
         'src/base/rand_util_win.cc',
         'src/base/shared_memory_win.cc',
         'src/base/sys_info_win.cc',
         'src/base/sys_string_conversions_win.cc',
         'src/base/thread_local_storage_win.cc',
         'src/base/thread_local_win.cc',
         'src/base/time_win.cc',
         'src/base/waitable_event_win.cc',
@@ -65,17 +64,16 @@ if os_posix:
     UNIFIED_SOURCES += [
         'src/base/condition_variable_posix.cc',
         'src/base/file_descriptor_shuffle.cc',
         'src/base/file_util_posix.cc',
         'src/base/lock_impl_posix.cc',
         'src/base/message_pump_libevent.cc',
         'src/base/platform_file_posix.cc',
         'src/base/platform_thread_posix.cc',
-        'src/base/process_posix.cc',
         'src/base/process_util_posix.cc',
         'src/base/rand_util_posix.cc',
         'src/base/shared_memory_posix.cc',
         'src/base/string16.cc',
         'src/base/sys_info_posix.cc',
         'src/base/thread_local_posix.cc',
         'src/base/thread_local_storage_posix.cc',
         'src/base/waitable_event_posix.cc',

--- a/ipc/chromium/src/base/process.h
+++ b/ipc/chromium/src/base/process.h
@@ -23,59 +23,11 @@ namespace base {
 typedef HANDLE ProcessHandle;
 typedef DWORD ProcessId;
 #elif defined(OS_POSIX)
 // On POSIX, our ProcessHandle will just be the PID.
 typedef pid_t ProcessHandle;
 typedef pid_t ProcessId;
 #endif
 
-class Process {
- public:
-  Process() : process_(0), last_working_set_size_(0) {}
-  explicit Process(ProcessHandle aHandle) :
-    process_(aHandle), last_working_set_size_(0) {}
-
-  // A handle to the current process.
-  static Process Current();
-
-  // Get/Set the handle for this process. The handle will be 0 if the process
-  // is no longer running.
-  ProcessHandle handle() const { return process_; }
-  void set_handle(ProcessHandle aHandle) { process_ = aHandle; }
-
-  // Get the PID for this process.
-  ProcessId pid() const;
-
-  // Is the this process the current process.
-  bool is_current() const;
-
-  // Close the process handle. This will not terminate the process.
-  void Close();
-
-  // Terminates the process with extreme prejudice. The given result code will
-  // be the exit code of the process. If the process has already exited, this
-  // will do nothing.
-  void Terminate(int result_code);
-
-  // A process is backgrounded when it's priority is lower than normal.
-  // Return true if this process is backgrounded, false otherwise.
-  bool IsProcessBackgrounded() const;
-
-  // Set a prcess as backgrounded.  If value is true, the priority
-  // of the process will be lowered.  If value is false, the priority
-  // of the process will be made "normal" - equivalent to default
-  // process priority.
-  // Returns true if the priority was changed, false otherwise.
-  bool SetProcessBackgrounded(bool value);
-
-  // Releases as much of the working set back to the OS as possible.
-  // Returns true if successful, false otherwise.
-  bool EmptyWorkingSet();
-
- private:
-  ProcessHandle process_;
-  size_t last_working_set_size_;
-};
-
 }  // namespace base
 
 #endif  // BASE_PROCESS_H_

deleted file mode 100644
--- a/ipc/chromium/src/base/process_posix.cc
+++ /dev/null
@@ -1,62 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-// Copyright (c) 2008 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 "base/process.h"
-#include "base/process_util.h"
-
-namespace base {
-
-void Process::Close() {
-  process_ = 0;
-  // if the process wasn't termiated (so we waited) or the state
-  // wasn't already collected w/ a wait from process_utils, we're gonna
-  // end up w/ a zombie when it does finally exit.
-}
-
-void Process::Terminate(int result_code) {
-  // result_code isn't supportable.
-  if (!process_)
-    return;
-  // We don't wait here. It's the responsibility of other code to reap the
-  // child.
-  KillProcess(process_, result_code, false);
-}
-
-bool Process::IsProcessBackgrounded() const {
-  // http://code.google.com/p/chromium/issues/detail?id=8083
-  return false;
-}
-
-bool Process::SetProcessBackgrounded(bool value) {
-  // http://code.google.com/p/chromium/issues/detail?id=8083
-  // Just say we did it to keep renderer happy at the moment.  Need to finish
-  // cleaning this up w/in higher layers since windows is probably the only
-  // one that can raise priorities w/o privileges.
-  return true;
-}
-
-bool Process::EmptyWorkingSet() {
-  // http://code.google.com/p/chromium/issues/detail?id=8083
-  return false;
-}
-
-ProcessId Process::pid() const {
-  if (process_ == 0)
-    return 0;
-
-  return GetProcId(process_);
-}
-
-bool Process::is_current() const {
-  return process_ == GetCurrentProcessHandle();
-}
-
-// static
-Process Process::Current() {
-  return Process(GetCurrentProcessHandle());
-}
-
-}  // namspace base

deleted file mode 100644
--- a/ipc/chromium/src/base/process_win.cc
+++ /dev/null
@@ -1,64 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-// Copyright (c) 2006-2008 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 "base/process.h"
-#include "base/logging.h"
-#include "base/process_util.h"
-
-namespace base {
-
-void Process::Close() {
-  if (!process_)
-    return;
-  CloseProcessHandle(process_);
-  process_ = NULL;
-}
-
-void Process::Terminate(int result_code) {
-  if (!process_)
-    return;
-  ::TerminateProcess(process_, result_code);
-}
-
-bool Process::IsProcessBackgrounded() const {
-  DCHECK(process_);
-  DWORD priority = GetPriorityClass(process_);
-  if (priority == 0)
-    return false;  // Failure case.
-  return priority == BELOW_NORMAL_PRIORITY_CLASS;
-}
-
-bool Process::SetProcessBackgrounded(bool value) {
-  DCHECK(process_);
-  DWORD priority = value ? BELOW_NORMAL_PRIORITY_CLASS : NORMAL_PRIORITY_CLASS;
-  return (SetPriorityClass(process_, priority) != 0);
-}
-
-bool Process::EmptyWorkingSet() {
-  if (!process_)
-    return false;
-
-  BOOL rv = SetProcessWorkingSetSize(process_, -1, -1);
-  return rv == TRUE;
-}
-
-ProcessId Process::pid() const {
-  if (process_ == 0)
-    return 0;
-
-  return GetProcId(process_);
-}
-
-bool Process::is_current() const {
-  return process_ == GetCurrentProcess();
-}
-
-// static
-Process Process::Current() {
-  return Process(GetCurrentProcess());
-}
-
-}  // namespace base

--- a/ipc/glue/GeckoChildProcessHost.cpp
+++ b/ipc/glue/GeckoChildProcessHost.cpp
@@ -623,17 +623,17 @@ GeckoChildProcessHost::PerformAsyncLaunc
     return false;
   }
 
   base::ProcessHandle process = 0;
 
   // send the child the PID so that it can open a ProcessHandle back to us.
   // probably don't want to do this in the long run
   char pidstring[32];
-  SprintfLiteral(pidstring,"%d", base::Process::Current().pid());
+  SprintfLiteral(pidstring, "%d", base::GetCurrentProcId());
 
   const char* const childProcessType =
       XRE_ChildProcessTypeToString(mProcessType);
 
 //--------------------------------------------------
 #if defined(OS_POSIX)
   // For POSIX, we have to be extremely anal about *not* using
   // std::wstring in code compiled with Mozilla's -fshort-wchar