Fix failing DCHECK in AutoCompleteInput()

chrome/browser/ui/omnibox/omnibox_view_browsertest.cc

 // Copyright (c) 2012 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 <stddef.h>
 #include <stdio.h>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 851 matching lines @@
 
   // Check if RevertAll() can set text and cursor correctly.
   omnibox_view->RevertAll();
   EXPECT_FALSE(omnibox_view->IsSelectAll());
   EXPECT_EQ(old_text, omnibox_view->GetText());
   omnibox_view->GetSelectionBounds(&start, &end);
   EXPECT_EQ(old_text.size(), start);
   EXPECT_EQ(old_text.size(), end);
 }
 
+// Make sure the cursor position doesn't get set past the last character of
+// user input text when the URL is longer than the keyword.
+// (http://crbug.com/656209)
+IN_PROC_BROWSER_TEST_F(OmniboxViewTest, FocusSearchLongUrl) {
+  OmniboxView* omnibox_view = NULL;
+  ASSERT_NO_FATAL_FAILURE(GetOmniboxView(&omnibox_view));
+
+  ASSERT_GT(strlen(url::kAboutBlankURL), strlen(kSearchKeyword));
+  ui_test_utils::NavigateToURL(browser(), GURL(url::kAboutBlankURL));
+
+  // Make sure nothing DCHECKs.
+  chrome::FocusSearch(browser());
+  ASSERT_NO_FATAL_FAILURE(WaitForAutocompleteControllerDone());
+}
+
 IN_PROC_BROWSER_TEST_F(OmniboxViewTest, AcceptKeywordByTypingQuestionMark) {
   OmniboxView* omnibox_view = NULL;
   ASSERT_NO_FATAL_FAILURE(GetOmniboxView(&omnibox_view));
 
   base::string16 search_keyword(ASCIIToUTF16(kSearchKeyword));
 
   // If the user gets into keyword mode by typing '?', they should be put into
   // keyword mode for their default search provider.
   ASSERT_NO_FATAL_FAILURE(SendKey(ui::VKEY_OEM_2, ui::EF_SHIFT_DOWN));
   ASSERT_FALSE(omnibox_view->model()->is_keyword_hint());
@@ skipping 1045 matching lines @@
 
   // Now Shift+Right should do nothing, and Shift+Left should reduce.
   // At the end, so Shift+Right should do nothing.
   ASSERT_NO_FATAL_FAILURE(SendKey(ui::VKEY_RIGHT, ui::EF_SHIFT_DOWN));
   EXPECT_EQ(2u, GetSelectionSize(omnibox_view));
 
   // And Left should reduce by one character.
   ASSERT_NO_FATAL_FAILURE(SendKey(ui::VKEY_LEFT, ui::EF_SHIFT_DOWN));
   EXPECT_EQ(1u, GetSelectionSize(omnibox_view));
 }