Add full support for filesystem URLs.

chrome/browser/autocomplete/autocomplete.cc

Index: chrome/browser/autocomplete/autocomplete.cc
diff --git a/chrome/browser/autocomplete/autocomplete.cc b/chrome/browser/autocomplete/autocomplete.cc
index 010617a9845c758f3cba72e84287e8254cf19926..0efd16d6cc2ffba99ae29b0e29bf30e210b6b41e 100644
--- a/chrome/browser/autocomplete/autocomplete.cc
+++ b/chrome/browser/autocomplete/autocomplete.cc
@@ -95,6 +95,7 @@ AutocompleteInput::AutocompleteInput(const string16& text,
   if (((type_ == UNKNOWN) || (type_ == REQUESTED_URL) || (type_ == URL)) &&
       canonicalized_url.is_valid() &&
       (!canonicalized_url.IsStandard() || canonicalized_url.SchemeIsFile() ||
+       canonicalized_url.SchemeIsFileSystem() ||
        !canonicalized_url.host().empty()))
     canonicalized_url_ = canonicalized_url;
 
@@ -166,6 +167,14 @@ AutocompleteInput::Type AutocompleteInput::Parse(
     return URL;
   }
 
+  if (LowerCaseEqualsASCII(parsed_scheme, chrome::kFileSystemScheme)) {
+    // This could theoretically be a strange search, but let's check.
+    // If it's got an inner_url with a scheme, it's a URL, whether it's valid or
+    // not.
+    if (parts->inner_parsed() && parts->inner_parsed()->scheme.is_valid())
+      return URL;
+  }
+
   // If the user typed a scheme, and it's HTTP or HTTPS, we know how to parse it
   // well enough that we can fall through to the heuristics below.  If it's
   // something else, we can just determine our action based on what we do with
@@ -455,6 +464,9 @@ void AutocompleteInput::ParseForEmphasizeComponents(
         host->reset();
       }
     }
+  } else if (LowerCaseEqualsASCII(scheme_str, chrome::kFileSystemScheme) &&
+             parts.inner_parsed() && parts.inner_parsed()->scheme.is_valid()) {
+    *host = parts.inner_parsed()->host;
   }
 }