Remove GetExtensionService from Profile.

chrome/browser/themes/theme_service.cc

Index: chrome/browser/themes/theme_service.cc
diff --git a/chrome/browser/themes/theme_service.cc b/chrome/browser/themes/theme_service.cc
index 027315d34e2eb78af327768d9c631ff8f90eca72..9faf216f04eddf6ef5683ee86b1d9473465e2120 100644
--- a/chrome/browser/themes/theme_service.cc
+++ b/chrome/browser/themes/theme_service.cc
@@ -359,7 +359,8 @@ void ThemeService::SetTheme(const Extension* extension) {
 void ThemeService::RemoveUnusedThemes() {
   if (!profile_)
     return;
-  ExtensionService* service = profile_->GetExtensionService();
+  ExtensionService* service =
+      extensions::ExtensionSystem::Get(profile_)->extension_service();
   if (!service)
     return;
   std::string current_theme = GetThemeID();
@@ -613,7 +614,8 @@ void ThemeService::LoadThemePrefs() {
     } else {
       // TODO(erg): We need to pop up a dialog informing the user that their
       // theme is being migrated.
-      ExtensionService* service = profile_->GetExtensionService();
+      ExtensionService* service =
+          extensions::ExtensionSystem::Get(profile_)->extension_service();
       if (service) {
         const Extension* extension =
             service->GetExtensionById(current_id, false);