Reject some previuosly-escaped chars in hostnames.

components/omnibox/browser/autocomplete_input_unittest.cc

 // 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.
 
 #include "components/omnibox/browser/autocomplete_input.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
@@ skipping 32 matching lines @@
     { ASCIIToUTF16("foo/bar"), metrics::OmniboxInputType::UNKNOWN },
     { ASCIIToUTF16("foo/bar%00"), metrics::OmniboxInputType::QUERY },
     { ASCIIToUTF16("foo/bar/"), metrics::OmniboxInputType::URL },
     { ASCIIToUTF16("foo/bar baz\\"), metrics::OmniboxInputType::URL },
     { ASCIIToUTF16("foo.com/bar"), metrics::OmniboxInputType::URL },
     { ASCIIToUTF16("foo;bar"), metrics::OmniboxInputType::QUERY },
     { ASCIIToUTF16("foo/bar baz"), metrics::OmniboxInputType::UNKNOWN },
     { ASCIIToUTF16("foo bar.com"), metrics::OmniboxInputType::QUERY },
     { ASCIIToUTF16("foo bar"), metrics::OmniboxInputType::QUERY },
     { ASCIIToUTF16("foo+bar"), metrics::OmniboxInputType::QUERY },
-    { ASCIIToUTF16("foo+bar.com"), metrics::OmniboxInputType::UNKNOWN },
+    { ASCIIToUTF16("foo+bar.com"), metrics::OmniboxInputType::QUERY },
     { ASCIIToUTF16("\"foo:bar\""), metrics::OmniboxInputType::QUERY },
     { ASCIIToUTF16("link:foo.com"), metrics::OmniboxInputType::UNKNOWN },
     { ASCIIToUTF16("foo:81"), metrics::OmniboxInputType::URL },
     { ASCIIToUTF16("localhost:8080"), metrics::OmniboxInputType::URL },
     { ASCIIToUTF16("www.foo.com:81"), metrics::OmniboxInputType::URL },
     { ASCIIToUTF16("foo.com:123456"), metrics::OmniboxInputType::QUERY },
     { ASCIIToUTF16("foo.com:abc"), metrics::OmniboxInputType::QUERY },
     { ASCIIToUTF16("1.2.3.4:abc"), metrics::OmniboxInputType::QUERY },
     { ASCIIToUTF16("user@foo"), metrics::OmniboxInputType::UNKNOWN },
     { ASCIIToUTF16("user@foo.com"), metrics::OmniboxInputType::UNKNOWN },
@@ skipping 244 matching lines @@
     SCOPED_TRACE(input_cases[i].input);
     AutocompleteInput input(input_cases[i].input,
                             input_cases[i].cursor_position, std::string(),
                             GURL(), OmniboxEventProto::INVALID_SPEC, true,
                             false, true, true, false, TestSchemeClassifier());
     EXPECT_EQ(input_cases[i].normalized_input, input.text());
     EXPECT_EQ(input_cases[i].normalized_cursor_position,
               input.cursor_position());
   }
 }