[fsp] Group arguments for mounting into a struct.

chrome/browser/chromeos/file_system_provider/provided_file_system_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system.h"
 
 #include <string>
 #include <vector>
 
 #include "base/files/file.h"
@@ skipping 175 matching lines @@
 
 class FileSystemProviderProvidedFileSystemTest : public testing::Test {
  protected:
   FileSystemProviderProvidedFileSystemTest() {}
   virtual ~FileSystemProviderProvidedFileSystemTest() {}
 
   virtual void SetUp() override {
     profile_.reset(new TestingProfile);
     const base::FilePath mount_path =
         util::GetMountPath(profile_.get(), kExtensionId, kFileSystemId);
+    MountOptions mount_options;
+    mount_options.file_system_id = kFileSystemId;
+    mount_options.display_name = kDisplayName;
+    mount_options.supports_notify_tag = true;
     file_system_info_.reset(
-        new ProvidedFileSystemInfo(kExtensionId,
-                                   kFileSystemId,
-                                   kDisplayName,
-                                   false /* writable */,
-                                   true /* supports_notify_tag */,
-                                   mount_path));
+        new ProvidedFileSystemInfo(kExtensionId, mount_options, mount_path));
     provided_file_system_.reset(
         new ProvidedFileSystem(profile_.get(), *file_system_info_.get()));
     event_router_.reset(
         new FakeEventRouter(profile_.get(), provided_file_system_.get()));
     event_router_->AddEventListener(extensions::api::file_system_provider::
                                         OnObserveDirectoryRequested::kEventName,
                                     NULL,
                                     kExtensionId);
     event_router_->AddEventListener(extensions::api::file_system_provider::
                                         OnUnobserveEntryRequested::kEventName,
@@ skipping 389 matching lines @@
     EXPECT_EQ(0u, observed_entries->size());
     EXPECT_EQ(2, observer.list_changed_counter());
     EXPECT_EQ(2, observer.tag_updated_counter());
   }
 
   provided_file_system_->RemoveObserver(&observer);
 }
 
 }  // namespace file_system_provider
 }  // namespace chromeos