Remove drive::FileSystemInterface::Initialize().

chrome/browser/chromeos/drive/fake_file_system_unittest.cc

 // Copyright 2013 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/drive/fake_file_system.h"
 
 #include "base/file_util.h"
 #include "base/run_loop.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/drive/fake_drive_service.h"
 #include "chrome/browser/google_apis/test_util.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace drive {
 namespace test_util {
 
 class FakeFileSystemTest : public ::testing::Test {
  protected:
   virtual void SetUp() OVERRIDE {
     // Initialize FakeDriveService.
     fake_drive_service_.reset(new FakeDriveService);
-    fake_drive_service_->LoadResourceListForWapi(
-        "gdata/root_feed.json");
-    fake_drive_service_->LoadAccountMetadataForWapi(
-        "gdata/account_metadata.json");
+    ASSERT_TRUE(fake_drive_service_->LoadResourceListForWapi(
+        "gdata/root_feed.json"));
+    ASSERT_TRUE(fake_drive_service_->LoadAccountMetadataForWapi(
+        "gdata/account_metadata.json"));
 
     // Create a testee instance.
     fake_file_system_.reset(new FakeFileSystem(fake_drive_service_.get()));
-    ASSERT_TRUE(fake_file_system_->InitializeForTesting());
   }
 
   content::TestBrowserThreadBundle thread_bundle_;
   scoped_ptr<FakeDriveService> fake_drive_service_;
   scoped_ptr<FakeFileSystem> fake_file_system_;
 };
 
 TEST_F(FakeFileSystemTest, GetFileContentByPath) {
   FileError initialize_error = FILE_ERROR_FAILED;
   scoped_ptr<ResourceEntry> entry;
@@ skipping 112 matching lines @@
       util::GetDriveMyDriveRootPath().AppendASCII("Invalid File Name"),
       google_apis::test_util::CreateCopyResultCallback(&error, &entry));
   base::RunLoop().RunUntilIdle();
 
   ASSERT_EQ(FILE_ERROR_NOT_FOUND, error);
   ASSERT_FALSE(entry);
 }
 
 }  // namespace test_util
 }  // namespace drive