Reject some previuosly-escaped chars in hostnames.

components/omnibox/browser/history_url_provider_unittest.cc

Index: components/omnibox/browser/history_url_provider_unittest.cc
diff --git a/components/omnibox/browser/history_url_provider_unittest.cc b/components/omnibox/browser/history_url_provider_unittest.cc
index 55ee94b7aa72ca66560c58d365e764178fa3ea2b..e714ced16ed3d9c87df86e15211cab78e36a5440 100644
--- a/components/omnibox/browser/history_url_provider_unittest.cc
+++ b/components/omnibox/browser/history_url_provider_unittest.cc
@@ -551,9 +551,9 @@ TEST_F(HistoryURLProviderTestNoSearchProvider, WhatYouTypedNoSearchProvider) {
   RunTest(ASCIIToUTF16("wytmatch+foo+bar"), std::string(), false, NULL, 0);
 
   const UrlAndLegalDefault results_2[] = {
-    { "http://wytmatch+foo+bar.com/", true }
+    { "http://wytmatch_foo_bar.com/", true }
   };
-  RunTest(ASCIIToUTF16("wytmatch+foo+bar.com"), std::string(), false,
+  RunTest(ASCIIToUTF16("wytmatch_foo_bar.com"), std::string(), false,
           results_2, arraysize(results_2));
 }
 
@@ -571,16 +571,10 @@ TEST_F(HistoryURLProviderTest, WhatYouTyped) {
           arraysize(results_1));
 
   const UrlAndLegalDefault results_2[] = {
-    { "http://wytmatch%20foo%20bar/", false }
+    { "http://wytmatch/", true }
   };
-  RunTest(ASCIIToUTF16("http://wytmatch foo bar"), std::string(), false,
+  RunTest(ASCIIToUTF16("http://wytmatch"), std::string(), false,
           results_2, arraysize(results_2));
-
-  const UrlAndLegalDefault results_3[] = {
-    { "https://wytmatch%20foo%20bar/", false }
-  };
-  RunTest(ASCIIToUTF16("https://wytmatch foo bar"), std::string(), false,
-          results_3, arraysize(results_3));
 }
 
 TEST_F(HistoryURLProviderTest, Fixup) {