Rewrite std::string("") to std::string(), Linux edition.

chrome/browser/google_apis/gdata_wapi_parser_unittest.cc

 // Copyright (c) 2012 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/google_apis/gdata_wapi_parser.h"
 
 #include <string>
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 306 matching lines @@
       base::FilePath(FILE_PATH_LITERAL("Test.gdraw"))));
   EXPECT_TRUE(ResourceEntry::HasHostedDocumentExtension(
       base::FilePath(FILE_PATH_LITERAL("Test.gtable"))));
   EXPECT_FALSE(ResourceEntry::HasHostedDocumentExtension(
       base::FilePath(FILE_PATH_LITERAL("Test.tar.gz"))));
   EXPECT_FALSE(ResourceEntry::HasHostedDocumentExtension(
       base::FilePath(FILE_PATH_LITERAL("Test.txt"))));
   EXPECT_FALSE(ResourceEntry::HasHostedDocumentExtension(
       base::FilePath(FILE_PATH_LITERAL("Test"))));
   EXPECT_FALSE(ResourceEntry::HasHostedDocumentExtension(
-      base::FilePath(FILE_PATH_LITERAL(""))));
+      base::FilePath()));
 }
 
 TEST(GDataWAPIParserTest, ResourceEntryClassifyEntryKind) {
   EXPECT_EQ(ResourceEntry::KIND_OF_NONE,
             ResourceEntry::ClassifyEntryKind(ENTRY_KIND_UNKNOWN));
   EXPECT_EQ(ResourceEntry::KIND_OF_NONE,
             ResourceEntry::ClassifyEntryKind(ENTRY_KIND_ITEM));
   EXPECT_EQ(ResourceEntry::KIND_OF_NONE,
             ResourceEntry::ClassifyEntryKind(ENTRY_KIND_SITE));
   EXPECT_EQ(ResourceEntry::KIND_OF_GOOGLE_DOCUMENT |
@@ skipping 16 matching lines @@
             ResourceEntry::ClassifyEntryKind(ENTRY_KIND_EXTERNAL_APP));
   EXPECT_EQ(ResourceEntry::KIND_OF_FOLDER,
             ResourceEntry::ClassifyEntryKind(ENTRY_KIND_FOLDER));
   EXPECT_EQ(ResourceEntry::KIND_OF_FILE,
             ResourceEntry::ClassifyEntryKind(ENTRY_KIND_FILE));
   EXPECT_EQ(ResourceEntry::KIND_OF_FILE,
             ResourceEntry::ClassifyEntryKind(ENTRY_KIND_PDF));
 }
 
 }  // namespace google_apis