Omnibox UMA: Record How People Enter Keyword Mode

chrome/browser/ui/views/omnibox/omnibox_view_win.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/views/omnibox/omnibox_view_win.h"
 
 #include <algorithm>
 #include <locale>
 #include <string>
 
@@ skipping 2289 matching lines @@
       ScopedFreeze freeze(this, GetTextObjectModel());
       model()->ClearKeyword(GetText());
       return true;
     }
 
     case VK_TAB: {
       const bool shift_pressed = GetKeyState(VK_SHIFT) < 0;
       if (model()->is_keyword_hint() && !shift_pressed) {
         // Accept the keyword.
         ScopedFreeze freeze(this, GetTextObjectModel());
-        model()->AcceptKeyword();
+        model()->AcceptKeyword(ENTERED_KEYWORD_MODE_VIA_TAB);
       } else if (shift_pressed &&
                  model()->popup_model()->selected_line_state() ==
                     OmniboxPopupModel::KEYWORD) {
         model()->ClearKeyword(GetText());
       } else {
         model()->OnUpOrDownKeyPressed(shift_pressed ? -count : count);
       }
       return true;
     }
 
@@ skipping 536 matching lines @@
   return (rect.left - client_rect.left) + (client_rect.right - rect.right);
 }
 
 int OmniboxViewWin::WidthNeededToDisplay(const string16& text) const {
   // Use font_.GetStringWidth() instead of
   // PosFromChar(location_entry_->GetTextLength()) because PosFromChar() is
   // apparently buggy. In both LTR UI and RTL UI with left-to-right layout,
   // PosFromChar(i) might return 0 when i is greater than 1.
   return font_.GetStringWidth(text) + GetHorizontalMargin();
 }