Delete code for and references to mini-gallery and theme install bubbles.

chrome/browser/extensions/extension_service.h

Index: chrome/browser/extensions/extension_service.h
diff --git a/chrome/browser/extensions/extension_service.h b/chrome/browser/extensions/extension_service.h
index 7f3fa88dc278d7fa9a6325cc4730e1e7d52117f9..b0720f39bb73a965bf888ad7f9bb67c29a68f1e5 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -153,10 +153,6 @@ class ExtensionService
   bool IsDownloadFromGallery(const GURL& download_url,
                              const GURL& referrer_url);
 
-  // Determine if the downloaded extension came from the theme mini-gallery,
-  // Used to test if we need to show the "Loading" dialog for themes.
-  static bool IsDownloadFromMiniGallery(const GURL& download_url);
-
   // Returns the Extension of hosted or packaged apps, NULL otherwise.
   const Extension* GetInstalledApp(const GURL& url);