fileapi: Rename FileSystemMountProvider to FileSystemBackend

webkit/browser/fileapi/test_mount_point_provider.h

Index: webkit/browser/fileapi/test_mount_point_provider.h
diff --git a/webkit/browser/fileapi/test_mount_point_provider.h b/webkit/browser/fileapi/test_mount_point_provider.h
index faaefcd0ad3cdae0bfef6c0753e44728e5034721..349588b641aac3e8e2893961176b84204eda8ba5 100644
--- a/webkit/browser/fileapi/test_mount_point_provider.h
+++ b/webkit/browser/fileapi/test_mount_point_provider.h
@@ -9,7 +9,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "webkit/browser/fileapi/async_file_util_adapter.h"
-#include "webkit/browser/fileapi/file_system_mount_point_provider.h"
+#include "webkit/browser/fileapi/file_system_backend.h"
 #include "webkit/browser/fileapi/task_runner_bound_observer_list.h"
 #include "webkit/browser/webkit_storage_browser_export.h"
 
@@ -26,14 +26,14 @@ class FileSystemQuotaUtil;
 // This mount point provider uses LocalFileUtil and stores data file
 // under the given directory.
 class WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE TestMountPointProvider
-    : public FileSystemMountPointProvider {
+    : public FileSystemBackend {
  public:
   TestMountPointProvider(
       base::SequencedTaskRunner* task_runner,
       const base::FilePath& base_path);
   virtual ~TestMountPointProvider();
 
-  // FileSystemMountPointProvider implementation.
+  // FileSystemBackend implementation.
   virtual bool CanHandleType(FileSystemType type) const OVERRIDE;
   virtual void OpenFileSystem(
       const GURL& origin_url,