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

content/browser/web_contents/navigation_entry_impl_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 "base/string16.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/navigation_entry_impl.h"
@@ skipping 43 matching lines @@
 }
 
 // Test URL accessors
 TEST_F(NavigationEntryTest, NavigationEntryURLs) {
   // Start with no virtual_url (even if a url is set)
   EXPECT_FALSE(entry1_->has_virtual_url());
   EXPECT_FALSE(entry2_->has_virtual_url());
 
   EXPECT_EQ(GURL(), entry1_->GetURL());
   EXPECT_EQ(GURL(), entry1_->GetVirtualURL());
-  EXPECT_TRUE(entry1_->GetTitleForDisplay("").empty());
+  EXPECT_TRUE(entry1_->GetTitleForDisplay(std::string()).empty());
 
   // Setting URL affects virtual_url and GetTitleForDisplay
   entry1_->SetURL(GURL("http://www.google.com"));
   EXPECT_EQ(GURL("http://www.google.com"), entry1_->GetURL());
   EXPECT_EQ(GURL("http://www.google.com"), entry1_->GetVirtualURL());
   EXPECT_EQ(ASCIIToUTF16("www.google.com"),
-            entry1_->GetTitleForDisplay(""));
+            entry1_->GetTitleForDisplay(std::string()));
 
   // file:/// URLs should only show the filename.
   entry1_->SetURL(GURL("file:///foo/bar baz.txt"));
   EXPECT_EQ(ASCIIToUTF16("bar baz.txt"),
-            entry1_->GetTitleForDisplay(""));
+            entry1_->GetTitleForDisplay(std::string()));
 
   // Title affects GetTitleForDisplay
   entry1_->SetTitle(ASCIIToUTF16("Google"));
-  EXPECT_EQ(ASCIIToUTF16("Google"), entry1_->GetTitleForDisplay(""));
+  EXPECT_EQ(ASCIIToUTF16("Google"), entry1_->GetTitleForDisplay(std::string()));
 
   // Setting virtual_url doesn't affect URL
   entry2_->SetVirtualURL(GURL("display:url"));
   EXPECT_TRUE(entry2_->has_virtual_url());
   EXPECT_EQ(GURL("test:url"), entry2_->GetURL());
   EXPECT_EQ(GURL("display:url"), entry2_->GetVirtualURL());
 
   // Having a title set in constructor overrides virtual URL
-  EXPECT_EQ(ASCIIToUTF16("title"), entry2_->GetTitleForDisplay(""));
+  EXPECT_EQ(ASCIIToUTF16("title"), entry2_->GetTitleForDisplay(std::string()));
 
   // User typed URL is independent of the others
   EXPECT_EQ(GURL(), entry1_->GetUserTypedURL());
   EXPECT_EQ(GURL(), entry2_->GetUserTypedURL());
   entry2_->set_user_typed_url(GURL("typedurl"));
   EXPECT_EQ(GURL("typedurl"), entry2_->GetUserTypedURL());
 }
 
 // Test Favicon inner class construction.
 TEST_F(NavigationEntryTest, NavigationEntryFavicons) {
@@ skipping 132 matching lines @@
   // Content in |output| is not modified if data is not present at the key.
   EXPECT_FALSE(entry1_->GetExtraData("search_terms", &output));
   EXPECT_EQ(test_data, output);
   // Using an empty string shows that the data is not present in the map.
   string16 output2;
   EXPECT_FALSE(entry1_->GetExtraData("search_terms", &output2));
   EXPECT_EQ(ASCIIToUTF16(""), output2);
 }
 
 }  // namespace content