[fsp] Decouple file_service_provider::Service.

chrome/browser/chromeos/file_system_provider/observer.h

Index: chrome/browser/chromeos/file_system_provider/observer.h
diff --git a/chrome/browser/chromeos/file_system_provider/observer.h b/chrome/browser/chromeos/file_system_provider/observer.h
index 03696273df10ad108360b9caff57f9328268c173..debe780c9b3ca37423eb00498308aa7c2d309770 100644
--- a/chrome/browser/chromeos/file_system_provider/observer.h
+++ b/chrome/browser/chromeos/file_system_provider/observer.h
@@ -12,21 +12,22 @@
 namespace chromeos {
 namespace file_system_provider {
 
-class ProvidedFileSystem;
+class ProvidedFileSystemInfo;
 
 class Observer {
  public:
   // Called when a file system mounting has been invoked. For success, the
   // |error| argument is set to FILE_OK. Otherwise, |error| contains a specific
   // error code.
-  virtual void OnProvidedFileSystemMount(const ProvidedFileSystem& file_system,
-                                         base::File::Error error) = 0;
+  virtual void OnProvidedFileSystemMount(
+      const ProvidedFileSystemInfo& file_system_info,
+      base::File::Error error) = 0;
 
   // Called when a file system unmounting has been invoked. For success, the
   // |error| argument is set to FILE_OK. Otherwise, |error| contains a specific
   // error code.
   virtual void OnProvidedFileSystemUnmount(
-      const ProvidedFileSystem& file_system,
+      const ProvidedFileSystemInfo& file_system_info,
       base::File::Error error) = 0;
 };