Add operator==(const GURL&, const StringPiece&) to gurl.h

content/browser/download/download_manager_impl_unittest.cc

Index: content/browser/download/download_manager_impl_unittest.cc
diff --git a/content/browser/download/download_manager_impl_unittest.cc b/content/browser/download/download_manager_impl_unittest.cc
index 1c56e0c0f2db874f894c4a77eeeccf2e5f905a95..0bca25ce5dc45d939b8755f3fcf3b24c51bb1d6e 100644
--- a/content/browser/download/download_manager_impl_unittest.cc
+++ b/content/browser/download/download_manager_impl_unittest.cc
@@ -767,7 +767,8 @@ TEST_F(DownloadManagerTest, GetDownloadByGuid) {
 namespace {
 
 base::Callback<bool(const GURL&)> GetSingleURLFilter(const GURL& url) {
-  return base::Bind(&GURL::operator==, base::Owned(new GURL(url)));
+  return base::Bind(static_cast<bool (*)(const GURL&, const GURL&)>(operator==),
+                    GURL(url));
 }
 
 }  // namespace