Remove unneeded uses of logging.h in header files.

chrome/browser/ssl/ssl_host_state.cc

 // Copyright (c) 2006-2009 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/ssl/ssl_host_state.h"
 
+#include "base/logging.h"
+
 SSLHostState::SSLHostState() {
 }
 
 SSLHostState::~SSLHostState() {
 }
 
 void SSLHostState::DenyCertForHost(net::X509Certificate* cert,
                                    const std::string& host) {
   DCHECK(CalledOnValidThread());
 
@@ skipping 21 matching lines @@
 
   return (can_show_insecure_content_for_host_.find(url.host()) !=
       can_show_insecure_content_for_host_.end());
 }
 
 void SSLHostState::AllowShowInsecureContentForURL(const GURL& url) {
   DCHECK(CalledOnValidThread());
 
   can_show_insecure_content_for_host_.insert(url.host());
 }