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 b5b7ae9f2abba597de3beb72a565ba886c4efee7..d89d9916304958ade80fc13aac0fa153efd2a31a 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -216,6 +216,7 @@ 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.
 
@@ -539,12 +540,14 @@ 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),
@@ -1466,6 +1469,10 @@ ExtensionPrefs* ExtensionService::extension_prefs() {
   return extension_prefs_;
 }
 
+ExtensionSettings* ExtensionService::extension_settings() {
+  return extension_settings_;
+}
+
 ExtensionContentSettingsStore*
     ExtensionService::GetExtensionContentSettingsStore() {
   return extension_prefs()->content_settings_store();