linux_aura: Fix dragging files into Dropbox.

ui/base/dragdrop/os_exchange_data_provider_aurax11_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 "ui/base/dragdrop/os_exchange_data_provider_aurax11.h"
 
 // Clean up X11 header polution
 #undef None
 #undef Bool
 
@@ skipping 78 matching lines @@
   EXPECT_EQ(kFileName, filenames[0].path.value());
 
   // We should only receive the URL here.
   GURL out_gurl;
   base::string16 out_str;
   EXPECT_TRUE(provider.GetURLAndTitle(&out_gurl, &out_str));
   EXPECT_EQ(base::string16(), out_str);
   EXPECT_EQ(kGoogleURL, out_gurl.spec());
 }
 
+TEST_F(OSExchangeDataProviderAuraX11Test, OnlyStringURLIsUnfiltered) {
+  const base::string16 file_url = base::UTF8ToUTF16(kFileURL);
+  provider.SetString(file_url);
+
+  EXPECT_TRUE(provider.HasString());
+  EXPECT_FALSE(provider.HasURL());
+}
+
+TEST_F(OSExchangeDataProviderAuraX11Test, StringAndURIListFilterString) {
+  const base::string16 file_url = base::UTF8ToUTF16(kFileURL);
+  provider.SetString(file_url);
+  AddURLList(kFileURL);
+
+  EXPECT_FALSE(provider.HasString());
+  base::string16 out_str;
+  EXPECT_FALSE(provider.GetString(&out_str));
+
+  EXPECT_TRUE(provider.HasFile());
+}
+
 }  // namespace ui