Fixed NavigationItemImpl::GetDisplayTitleForURL for 'file://' URL.

ios/web/navigation/navigation_item_impl_unittest.mm

 // 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.
 
 #import "ios/web/navigation/navigation_item_impl.h"
 
 #include <memory>
 
 #include "base/logging.h"
 #import "base/mac/scoped_nsobject.h"
@@ skipping 130 matching lines @@
   GURL original_url = item_->GetURL();
   EXPECT_EQ(original_url, item_->GetVirtualURL());
   // Set the virtual URL and check that the correct value is reported and that
   // GetURL() still reports the original URL.
   GURL new_virtual_url = GURL("http://new_url.test");
   item_->SetVirtualURL(new_virtual_url);
   EXPECT_EQ(new_virtual_url, item_->GetVirtualURL());
   EXPECT_EQ(original_url, item_->GetURL());
 }
 
+// Tests NavigationItemImpl::GetDisplayTitleForURL method.
+TEST_F(NavigationItemTest, GetDisplayTitleForURL) {
+  base::string16 title;
+
+  title = NavigationItemImpl::GetDisplayTitleForURL(GURL("http://foo.org/"));
+  EXPECT_EQ("foo.org", base::UTF16ToUTF8(title));
+
+  title = NavigationItemImpl::GetDisplayTitleForURL(GURL("file://foo.org/"));
+  EXPECT_EQ("file://foo.org/", base::UTF16ToUTF8(title));
+
+  title = NavigationItemImpl::GetDisplayTitleForURL(GURL("file://foo/1.gz"));
+  EXPECT_EQ("1.gz", base::UTF16ToUTF8(title));
+}
+
 }  // namespace
 }  // namespace web