Add GeolocationContentSettingsMap, a geolocation-specific variant of HostContentSettingsMap.

This was originally written by bulach and posted at http://codereview.chromium.org/1033004 ; modified and landed by me.

BUG=37206
TEST=Tested by unittests
TBR=bulach,joth
Review URL: http://codereview.chromium.org/1084005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@42064 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/browser_prefs.cc b/chrome/browser/browser_prefs.cc
index 85eac53..187201a 100644
--- a/chrome/browser/browser_prefs.cc
+++ b/chrome/browser/browser_prefs.cc
@@ -16,6 +16,7 @@
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extensions_ui.h"
 #include "chrome/browser/external_protocol_handler.h"
+#include "chrome/browser/geolocation/geolocation_content_settings_map.h"
 #include "chrome/browser/geolocation/geolocation_prefs.h"
 #include "chrome/browser/google_url_tracker.h"
 #include "chrome/browser/host_content_settings_map.h"
@@ -102,6 +103,7 @@
   Blacklist::RegisterUserPrefs(user_prefs);
   PinnedTabCodec::RegisterUserPrefs(user_prefs);
   ExtensionPrefs::RegisterUserPrefs(user_prefs);
+  GeolocationContentSettingsMap::RegisterUserPrefs(user_prefs);
 #if defined(TOOLKIT_VIEWS)
   BrowserActionsContainer::RegisterUserPrefs(user_prefs);
 #elif defined(TOOLKIT_GTK)