Revert "Currently, base/timer.cc calls PostTask with FROM_HERE as the Location,

content/renderer/render_process_impl.cc

 // Copyright (c) 2011 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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <objidl.h>
 #include <mlang.h>
@@ skipping 19 matching lines @@
 #include "webkit/plugins/npapi/plugin_instance.h"
 #include "webkit/plugins/npapi/plugin_lib.h"
 #include "webkit/glue/webkit_glue.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #endif
 
 RenderProcessImpl::RenderProcessImpl()
     : ALLOW_THIS_IN_INITIALIZER_LIST(shared_mem_cache_cleaner_(
-          FROM_HERE, base::TimeDelta::FromSeconds(5),
+          base::TimeDelta::FromSeconds(5),
           this, &RenderProcessImpl::ClearTransportDIBCache)),
       transport_dib_next_sequence_number_(0) {
   in_process_plugins_ = InProcessPlugins();
   for (size_t i = 0; i < arraysize(shared_mem_cache_); ++i)
     shared_mem_cache_[i] = NULL;
 
 #if defined(OS_WIN)
   // HACK:  See http://b/issue?id=1024307 for rationale.
   if (GetModuleHandle(L"LPK.DLL") == NULL) {
     // Makes sure lpk.dll is loaded by gdi32 to make sure ExtTextOut() works
@@ skipping 179 matching lines @@
 }
 
 void RenderProcessImpl::ClearTransportDIBCache() {
   for (size_t i = 0; i < arraysize(shared_mem_cache_); ++i) {
     if (shared_mem_cache_[i]) {
       FreeTransportDIB(shared_mem_cache_[i]);
       shared_mem_cache_[i] = NULL;
     }
   }
 }