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

content/browser/web_contents/navigation_entry_impl_unittest.cc

Index: content/browser/web_contents/navigation_entry_impl_unittest.cc
diff --git a/content/browser/web_contents/navigation_entry_impl_unittest.cc b/content/browser/web_contents/navigation_entry_impl_unittest.cc
index 00857ed329fbd123a859e34e9bce92a4a500541f..8bc5de11ed23870cefdf826348486963c1de3012 100644
--- a/content/browser/web_contents/navigation_entry_impl_unittest.cc
+++ b/content/browser/web_contents/navigation_entry_impl_unittest.cc
@@ -61,23 +61,23 @@ TEST_F(NavigationEntryTest, NavigationEntryURLs) {
 
   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"));
@@ -86,7 +86,7 @@ TEST_F(NavigationEntryTest, NavigationEntryURLs) {
   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());