API delegate for non-native file systems

extensions/browser/api/extensions_api_client.h

Index: extensions/browser/api/extensions_api_client.h
diff --git a/extensions/browser/api/extensions_api_client.h b/extensions/browser/api/extensions_api_client.h
index b9c5f8e2a667195152f6c8db92117ecea8e886be..be47c889e80597e77b30bf02745753a0be5699a7 100644
--- a/extensions/browser/api/extensions_api_client.h
+++ b/extensions/browser/api/extensions_api_client.h
@@ -38,6 +38,7 @@ class ManagementAPIDelegate;
 class MetricsPrivateDelegate;
 class MimeHandlerViewGuest;
 class MimeHandlerViewGuestDelegate;
+class NonNativeFileSystemDelegate;
 class RulesCacheDelegate;
 class SettingsObserver;
 class ValueStoreCache;
@@ -132,6 +133,10 @@ class ExtensionsAPIClient {
   virtual MetricsPrivateDelegate* GetMetricsPrivateDelegate();
 
 #if defined(OS_CHROMEOS)
+  // If supported by the embedder, returns a delegate for querying non-native
+  // file systems.
+  virtual NonNativeFileSystemDelegate* GetNonNativeFileSystemDelegate();
+
   // Saves image data on clipboard.
   virtual void SaveImageDataToClipboard(
       const std::vector<char>& image_data,