Make MountPointProvider pluggable from outside webkit/fileapi

webkit/fileapi/upload_file_system_file_element_reader_unittest.cc

Index: webkit/fileapi/upload_file_system_file_element_reader_unittest.cc
diff --git a/webkit/fileapi/upload_file_system_file_element_reader_unittest.cc b/webkit/fileapi/upload_file_system_file_element_reader_unittest.cc
index d9ea38352957aba2642db737268230a992cfacfe..8d90bcd1adaa450873f3d8a53e3f4dcf54ef53a1 100644
--- a/webkit/fileapi/upload_file_system_file_element_reader_unittest.cc
+++ b/webkit/fileapi/upload_file_system_file_element_reader_unittest.cc
@@ -12,6 +12,7 @@
 #include "webkit/fileapi/external_mount_points.h"
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_file_util.h"
+#include "webkit/fileapi/file_system_mount_point_provider.h"
 #include "webkit/fileapi/file_system_operation_context.h"
 #include "webkit/fileapi/file_system_task_runners.h"
 #include "webkit/fileapi/file_system_url.h"
@@ -36,12 +37,12 @@ class UploadFileSystemFileElementReaderTest : public testing::Test {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     file_system_context_ = new fileapi::FileSystemContext(
-        fileapi::FileSystemTaskRunners::CreateMockTaskRunners(),
-        ExternalMountPoints::CreateRefCounted().get(),
-        NULL,
+        FileSystemTaskRunners::CreateMockTaskRunners(),
         NULL,
+        ScopedVector<FileSystemMountPointProvider>(),
+        std::vector<MountPoints*>(),
         temp_dir_.path(),
-        fileapi::CreateDisallowFileAccessOptions());
+        CreateDisallowFileAccessOptions());
 
     file_system_context_->OpenFileSystem(
         GURL(kFileSystemURLOrigin),