Unpack theme data from extensions off of UI thread.

chrome/browser/ui/extensions/extension_install_ui_default.cc

Index: chrome/browser/ui/extensions/extension_install_ui_default.cc
diff --git a/chrome/browser/ui/extensions/extension_install_ui_default.cc b/chrome/browser/ui/extensions/extension_install_ui_default.cc
index 53fda5bfd178ad6bf4d24f4e8e41487218a335db..6114b113c8d0058ff9122c413c29375f2b17d411 100644
--- a/chrome/browser/ui/extensions/extension_install_ui_default.cc
+++ b/chrome/browser/ui/extensions/extension_install_ui_default.cc
@@ -9,7 +9,6 @@
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/extensions/theme_installed_infobar_delegate.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile.h"
@@ -141,25 +140,13 @@ ExtensionInstallUIDefault::ExtensionInstallUIDefault(
     content::BrowserContext* context)
     : profile_(Profile::FromBrowserContext(context)),
       skip_post_install_ui_(false),
-      previous_using_system_theme_(false),
-      use_app_installed_bubble_(false) {
-  // |profile| can be NULL during tests.
-  if (profile_) {
-    // Remember the current theme in case the user presses undo.
-    const Extension* previous_theme =
-        ThemeServiceFactory::GetThemeForProfile(profile_);
-    if (previous_theme)
-      previous_theme_id_ = previous_theme->id();
-    previous_using_system_theme_ =
-        ThemeServiceFactory::GetForProfile(profile_)->UsingSystemTheme();
-  }
-}
+      use_app_installed_bubble_(false) {}
 
 ExtensionInstallUIDefault::~ExtensionInstallUIDefault() {}
 
 void ExtensionInstallUIDefault::OnInstallSuccess(const Extension* extension,
                                                  const SkBitmap* icon) {
-  if (skip_post_install_ui_)
+  if (skip_post_install_ui_ || extension->is_theme())
     return;
 
   if (!profile_) {
@@ -169,12 +156,6 @@ void ExtensionInstallUIDefault::OnInstallSuccess(const Extension* extension,
     return;
   }
 
-  if (extension->is_theme()) {
-    ThemeInstalledInfoBarDelegate::Create(
-        extension, profile_, previous_theme_id_, previous_using_system_theme_);
-    return;
-  }
-
   // Extensions aren't enabled by default in incognito so we confirm
   // the install in a normal window.
   Profile* current_profile = profile_->GetOriginalProfile();