Implement an initial extension settings API.

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index bc12846d363f45da8f093529c9eac0040bb26192..346672b29dba8ae03f42c75a7875ef7889e6d879 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -33,6 +33,7 @@
 #include "chrome/browser/extensions/extension_pref_store.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_settings.h"
 #include "chrome/browser/extensions/extension_special_storage_policy.h"
 #include "chrome/browser/extensions/user_script_master.h"
 #include "chrome/browser/favicon/favicon_service.h"
@@ -462,6 +463,7 @@ void ProfileImpl::InitExtensions(bool extensions_enabled) {
       CommandLine::ForCurrentProcess(),
       GetPath().AppendASCII(ExtensionService::kInstallDirectoryName),
       extension_prefs_.get(),
+      extension_settings_.get(),
       autoupdate_enabled,
       extensions_enabled));
 
@@ -823,6 +825,9 @@ void ProfileImpl::OnPrefsLoaded(bool success) {
       GetPath().AppendASCII(ExtensionService::kInstallDirectoryName),
       GetExtensionPrefValueMap()));
 
+  extension_settings_.reset(new ExtensionSettings(
+      GetPath().AppendASCII(ExtensionService::kSettingsDirectoryName)));
+
   DCHECK(!net_pref_observer_.get());
   net_pref_observer_.reset(
       new NetPrefObserver(prefs_.get(), GetPrerenderManager()));