[Password Manager] Copiable username and origin. Linkable origin elided from the left.

components/password_manager/core/browser/password_ui_utils.cc

Index: components/password_manager/core/browser/password_ui_utils.cc
diff --git a/components/password_manager/core/browser/password_ui_utils.cc b/components/password_manager/core/browser/password_ui_utils.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2b9d99dc1048b03a4b7c5760c026e6d8bfaaf708
--- /dev/null
+++ b/components/password_manager/core/browser/password_ui_utils.cc
@@ -0,0 +1,38 @@
+// Copyright 2015 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 <components/password_manager/core/browser/password_ui_utils.h>
+
+#include <string>
+
+#include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
+#include "components/url_formatter/elide_url.h"
+
+namespace password_manager {
+
+namespace {
+
+// The URL prefixes that are removed from shown origin.
+const char* const kRemovedPrefixes[] = {"m.", "mobile.", "www."};
+
+}  // namespace
+
+std::string GetShownOrigin(const GURL& url, const std::string& languages) {
+  std::string original = base::UTF16ToUTF8(
+      url_formatter::FormatUrlForSecurityDisplayOmitScheme(url, languages));
+  base::StringPiece result = original;
+  for (base::StringPiece prefix : kRemovedPrefixes) {
+    if (base::StartsWith(result, prefix,
+                         base::CompareCase::INSENSITIVE_ASCII)) {
+      result.remove_prefix(prefix.length());
+      break;  // Remove only one prefix (e.g. www.mobile.de).
+    }
+  }
+
+  return result.find('.') != base::StringPiece::npos ? result.as_string()
+                                                     : original;
+}
+
+}  // namespace password_manager