[fsp] Refactor handling operations.

chrome/browser/chromeos/file_system_provider/fake_provided_file_system.h

Index: chrome/browser/chromeos/file_system_provider/fake_provided_file_system.h
diff --git a/chrome/browser/chromeos/file_system_provider/fake_provided_file_system.h b/chrome/browser/chromeos/file_system_provider/fake_provided_file_system.h
index a77c7fcf9e4425f710d8660bc4abc383d0d4202c..4eff2d589ce70f6be165306cd5cea2b2c8a4c353 100644
--- a/chrome/browser/chromeos/file_system_provider/fake_provided_file_system.h
+++ b/chrome/browser/chromeos/file_system_provider/fake_provided_file_system.h
@@ -7,6 +7,7 @@
 
 #include <string>
 
+#include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h"
 
@@ -28,10 +29,11 @@ class FakeProvidedFileSystem : public ProvidedFileSystemInterface {
   virtual ~FakeProvidedFileSystem();
 
   // ProvidedFileSystemInterface overrides.
-  virtual bool RequestUnmount(
+  virtual void RequestUnmount(
       const fileapi::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
   virtual const ProvidedFileSystemInfo& GetFileSystemInfo() const OVERRIDE;
   virtual RequestManager* GetRequestManager() OVERRIDE;
+  virtual base::WeakPtr<ProvidedFileSystemInterface> GetWeakPtr() OVERRIDE;
 
   // Factory callback, to be used in Service::SetFileSystemFactory(). The
   // |event_router| argument can be NULL.
@@ -41,6 +43,8 @@ class FakeProvidedFileSystem : public ProvidedFileSystemInterface {
 
  private:
   ProvidedFileSystemInfo file_system_info_;
+  base::WeakPtrFactory<ProvidedFileSystemInterface> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(FakeProvidedFileSystem);
 };