Omnibox Metrics: Make |completed_length| field sane

chrome/browser/ui/omnibox/omnibox_edit_model.cc

 // Copyright 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 "chrome/browser/ui/omnibox/omnibox_edit_model.h"
 
 #include <string>
 
 #include "base/auto_reset.h"
 #include "base/format_macros.h"
@@ skipping 733 matching lines @@
   OmniboxLog log(
       input_text,
       just_deleted_text_,
       input_.type(),
       popup_model()->IsOpen(),
       (!popup_model()->IsOpen() || !pasted_text.empty()) ? 0 : index,
       !pasted_text.empty(),
       -1,  // don't yet know tab ID; set later if appropriate
       ClassifyPage(),
       elapsed_time_since_user_first_modified_omnibox,
-      match.inline_autocompletion.length(),
+      match.allowed_to_be_default_match ? match.inline_autocompletion.length() :
+          base::string16::npos,
       elapsed_time_since_last_change_to_default_match,
       (!popup_model()->IsOpen() || !pasted_text.empty()) ?
           fake_single_entry_result : result());
   DCHECK(!popup_model()->IsOpen() || !pasted_text.empty() ||
          (log.elapsed_time_since_user_first_modified_omnibox >=
           log.elapsed_time_since_last_change_to_default_match))
       << "We should've got the notification that the user modified the "
       << "omnibox text at same time or before the most recent time the "
       << "default match changed.";
 
@@ skipping 696 matching lines @@
   // Update state and notify view if the omnibox has focus and the caret
   // visibility changed.
   const bool was_caret_visible = is_caret_visible();
   focus_state_ = state;
   if (focus_state_ != OMNIBOX_FOCUS_NONE &&
       is_caret_visible() != was_caret_visible)
     view_->ApplyCaretVisibility();
 
   delegate_->OnFocusChanged(focus_state_, reason);
 }