Hitting Tab should always move cursor to end of omnibox text.

chrome/browser/autocomplete/autocomplete_edit.cc

 // Copyright (c) 2011 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/autocomplete/autocomplete_edit.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/metrics/histogram.h"
@@ skipping 136 matching lines @@
 
 void AutocompleteEditModel::SetUserText(const string16& text) {
   SetInputInProgress(true);
   InternalSetUserText(text);
   paste_state_ = NONE;
   has_temporary_text_ = false;
 }
 
 void AutocompleteEditModel::FinalizeInstantQuery(
     const string16& input_text,
-    const string16& suggest_text) {
-  popup_->FinalizeInstantQuery(input_text, suggest_text);
+    const string16& suggest_text,
+    bool skip_inline_autocomplete) {
+  if (skip_inline_autocomplete) {
+    const string16 final_text = input_text + suggest_text;
+    view_->OnBeforePossibleChange();
+    view_->SetWindowTextAndCaretPos(final_text, final_text.length());
+    view_->OnAfterPossibleChange();
+  } else {
+    popup_->FinalizeInstantQuery(input_text, suggest_text);
+  }
 }
 
 void AutocompleteEditModel::GetDataForURLExport(GURL* url,
                                                 string16* title,
                                                 SkBitmap* favicon) {
   AutocompleteMatch match;
   GetInfoForCurrentText(&match, NULL);
   *url = match.destination_url;
   if (*url == URLFixerUpper::FixupURL(UTF16ToUTF8(permanent_text_),
                                       std::string())) {
@@ skipping 637 matching lines @@
 //  static
 bool AutocompleteEditModel::IsSpaceCharForAcceptingKeyword(wchar_t c) {
   switch (c) {
     case 0x0020:  // Space
     case 0x3000:  // Ideographic Space
       return true;
     default:
       return false;
   }
 }