[Extensions] Make chrome://extensions use api functions for file access, reload

chrome/common/extensions/api/developer_private.idl

Index: chrome/common/extensions/api/developer_private.idl
diff --git a/chrome/common/extensions/api/developer_private.idl b/chrome/common/extensions/api/developer_private.idl
index 45899ea9fd9f8b29c2d2d35b0540500fd42c2bec..f19b80b18debadcbaceba4399ff9e65c0605dcb7 100644
--- a/chrome/common/extensions/api/developer_private.idl
+++ b/chrome/common/extensions/api/developer_private.idl
@@ -15,6 +15,10 @@ namespace developerPrivate {
     theme
   };
 
+  dictionary ReloadOptions {
+    boolean? failQuietly;
+  };
+
   dictionary ItemInspectView {
     // path to the inspect page.
     DOMString path;
@@ -163,7 +167,9 @@ namespace developerPrivate {
                                 optional VoidCallback callback);
 
     // Reloads a given item with |itemId|.
-    static void reload(DOMString itemId, optional VoidCallback callback);
+    static void reload(DOMString itemId,
+                       optional ReloadOptions options,
+                       optional VoidCallback callback);
 
     // Enable / Disable a given item with id |itemId|.
     static void enable(DOMString itemId,