Fix geolocation icon behaviour on navigation

chrome/browser/geolocation/geolocation_settings_state.cc

 // Copyright (c) 2010 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/geolocation/geolocation_settings_state.h"
 
 #include "base/string_piece.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/geolocation/geolocation_content_settings_map.h"
 #include "chrome/browser/prefs/pref_service.h"
@@ skipping 26 matching lines @@
     state_map_.clear();
     return;
   }
   // We're in the same origin, check if there's any icon to be displayed.
   unsigned int tab_state_flags = 0;
   GetDetailedInfo(NULL, &tab_state_flags);
   if (!(tab_state_flags & TABSTATE_HAS_ANY_ICON))
     state_map_.clear();
 }
 
+void GeolocationSettingsState::ClearStateMap() {
+  state_map_.clear();
+}
+
 void GeolocationSettingsState::GetDetailedInfo(
     FormattedHostsPerState* formatted_hosts_per_state,
     unsigned int* tab_state_flags) const {
   DCHECK(tab_state_flags);
   DCHECK(embedder_url_.is_valid());
   const ContentSetting default_setting =
       profile_->GetGeolocationContentSettingsMap()->GetDefaultContentSetting();
   std::set<std::string> formatted_hosts;
   std::set<std::string> repeated_formatted_hosts;
 
@@ skipping 33 matching lines @@
 }
 
 std::string GeolocationSettingsState::GURLToFormattedHost(
     const GURL& url) const {
   std::wstring display_host_wide;
   net::AppendFormattedHost(
       url, UTF8ToWide(profile_->GetPrefs()->GetString(prefs::kAcceptLanguages)),
       &display_host_wide, NULL, NULL);
   return WideToUTF8(display_host_wide);
 }