Try again to land: http://codereview.chromium.org/160483

chrome/browser/extensions/extensions_service.h

Index: chrome/browser/extensions/extensions_service.h
diff --git a/chrome/browser/extensions/extensions_service.h b/chrome/browser/extensions/extensions_service.h
index 67f7c4adfcf4edba6fa5bafb9395d3fa2432007e..640700eb6fc4e665124363ba513c08e85419b2f9 100644
--- a/chrome/browser/extensions/extensions_service.h
+++ b/chrome/browser/extensions/extensions_service.h
@@ -89,6 +89,8 @@ class ExtensionsService
     return &extensions_;
   }
 
+  const FilePath& install_directory() const { return install_directory_; }
+
   // Initialize and start all installed extensions.
   void Init();
 
@@ -96,16 +98,14 @@ class ExtensionsService
   // update if an older version is already installed.
   // For fresh installs, this method also causes the extension to be
   // immediately loaded.
+  // TODO(aa): This method can be removed. It is only used by the unit tests,
+  // and they could use CrxInstaller directly instead.
   void InstallExtension(const FilePath& extension_path);
 
-  // XXX Hack: This is a temporary nasty hack to get theme installation working
-  // without a dialog. Will be fixed by making ExtensionsService more modular.
-  void InstallExtension(const FilePath& extension_path,
-                        const GURL& download_url,
-                        const GURL& referrer_url);
-
   // Updates a currently-installed extension with the contents from
   // |extension_path|.
+  // TODO(aa): This method can be removed. ExtensionUpdater could use
+  // CrxInstaller directly instead.
   virtual void UpdateExtension(const std::string& id,
                                const FilePath& extension_path);
 
@@ -195,12 +195,6 @@ class ExtensionsService
   bool is_ready() { return ready_; }
 
  private:
-  // Show a confirm installation infobar on the currently active tab.
-  // TODO(aa): This should be moved up into the UI and attached to the tab it
-  // actually occured in. This requires some modularization of
-  // ExtensionsService.
-  bool ShowThemePreviewInfobar(Extension* extension);
-
   // The profile this ExtensionsService is part of.
   Profile* profile_;