Makes instant not suggest string that look like urls.

chrome/browser/instant/instant_loader.cc

 // Copyright (c) 2010 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 "chrome/browser/instant/instant_loader.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "app/l10n_util.h"
 #include "base/command_line.h"
 #include "base/string_number_conversions.h"
 #include "base/timer.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
+#include "chrome/browser/autocomplete/autocomplete.h"
 #include "chrome/browser/favicon_service.h"
 #include "chrome/browser/history/history_marshaling.h"
 #include "chrome/browser/instant/instant_loader_delegate.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/renderer_host/render_widget_host.h"
 #include "chrome/browser/renderer_host/render_widget_host_view.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/tab_contents/navigation_controller.h"
 #include "chrome/browser/tab_contents/navigation_entry.h"
@@ skipping 629 matching lines @@
   ShowPreview();
 
   if (complete_suggested_text == complete_suggested_text_)
     return;
 
   if (verbatim_) {
     // Don't show suggest results for verbatim queries.
     return;
   }
 
+  AutocompleteInput::Type type =
+      AutocompleteInput::Parse(UTF16ToWide(complete_suggested_text),
+                               std::wstring(), NULL, NULL);
+  if (type == AutocompleteInput::URL) {
+    // Ignore suggestions that look like urls. Otherwise the omnibox ends up
+    // showing what looks like a url but the page shows search results.
+    return;
+  }
+
   string16 user_text_lower = l10n_util::ToLower(user_text_);
   string16 complete_suggested_text_lower = l10n_util::ToLower(
       complete_suggested_text);
   last_suggestion_.clear();
   if (user_text_lower.compare(0, user_text_lower.size(),
                               complete_suggested_text_lower,
                               0, user_text_lower.size())) {
     // The user text no longer contains the suggested text, ignore it.
     complete_suggested_text_.clear();
     delegate_->SetSuggestedTextFor(this, string16());
@@ skipping 131 matching lines @@
       Source<NavigationController>(&preview_contents_->controller()));
 #endif
 
   registrar_.Add(
       this,
       NotificationType::NAV_ENTRY_COMMITTED,
       Source<NavigationController>(&preview_contents_->controller()));
 
   preview_contents_->tab_contents()->ShowContents();
 }