Remove logging.h from cc files that don't use it.

chrome/browser/worker_host/worker_process_host.cc

 // Copyright (c) 2009 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 "chrome/browser/worker_host/worker_process_host.h"
 
 #include "base/command_line.h"
 #include "base/debug_util.h"
-#include "base/logging.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/renderer_host/resource_message_filter.h"
 #include "chrome/browser/worker_host/worker_service.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/debug_flags.h"
 #include "chrome/common/process_watcher.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/worker_messages.h"
@@ skipping 70 matching lines @@
 
 void WorkerProcessHost::RendererShutdown(ResourceMessageFilter* filter) {
   for (Instances::iterator i = instances_.begin(); i != instances_.end();) {
     if (i->filter == filter) {
       i = instances_.erase(i);
     } else {
       ++i;
     }
   }
 }