Implement an initial extension settings API.

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index 5c05c6cb9b16dba738258e193fd3224aac37b1c0..5d9d9c3ed57b52e76e6a85d01ac49023dfe4f5ad 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -223,6 +223,7 @@ ExtensionService::NaClModuleInfo::~NaClModuleInfo() {
 
 const char* ExtensionService::kInstallDirectoryName = "Extensions";
 const char* ExtensionService::kCurrentVersionFileName = "Current Version";
+const char* ExtensionService::kSettingsDirectoryName = "Extension Settings";
 
 // Implements IO for the ExtensionService.
 
@@ -543,12 +544,14 @@ ExtensionService::ExtensionService(Profile* profile,
                                    const CommandLine* command_line,
                                    const FilePath& install_directory,
                                    ExtensionPrefs* extension_prefs,
+                                   ExtensionSettings* extension_settings,
                                    bool autoupdate_enabled,
                                    bool extensions_enabled)
     : weak_ptr_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
       method_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
       profile_(profile),
       extension_prefs_(extension_prefs),
+      extension_settings_(extension_settings),
       pending_extension_manager_(*ALLOW_THIS_IN_INITIALIZER_LIST(this)),
       install_directory_(install_directory),
       extensions_enabled_(extensions_enabled),
@@ -1573,6 +1576,10 @@ ExtensionPrefs* ExtensionService::extension_prefs() {
   return extension_prefs_;
 }
 
+ExtensionSettings* ExtensionService::extension_settings() {
+  return extension_settings_;
+}
+
 ExtensionContentSettingsStore*
     ExtensionService::GetExtensionContentSettingsStore() {
   return extension_prefs()->content_settings_store();