Replace all occurrences of words meaning "off the record" with "incognito"

chrome/browser/ui/views/frame/browser_header_painter_ash.cc

 // Copyright 2014 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/frame/browser_header_painter_ash.h"
 
 #include "ash/common/ash_layout_constants.h"
 #include "ash/frame/caption_buttons/frame_caption_button_container_view.h"
 #include "ash/frame/header_painter_util.h"
 #include "base/logging.h"  // DCHECK
@@ skipping 134 matching lines @@
   // window_icon may be null.
   DCHECK(caption_button_container);
   frame_ = frame;
 
   is_tabbed_ = browser_view->browser()->is_type_tabbed();
   is_incognito_ = !browser_view->IsRegularOrGuestSession();
 
   view_ = header_view;
   window_icon_ = window_icon;
   caption_button_container_ = caption_button_container;
-  // Use light images in otr, even when a custom theme is installed. The
-  // otr window with a custom theme is still darker than a normal window.
+  // Use light images in incognito, even when a custom theme is installed. The
+  // incognito window with a custom theme is still darker than a normal window.
   caption_button_container_->SetUseLightImages(is_incognito_);
 }
 
 int BrowserHeaderPainterAsh::GetMinimumHeaderWidth() const {
   // Ensure we have enough space for the window icon and buttons. We allow
   // the title string to collapse to zero width.
   return GetTitleBounds().x() +
       caption_button_container_->GetMinimumSize().width();
 }
 
@@ skipping 199 matching lines @@
 }
 
 gfx::Rect BrowserHeaderPainterAsh::GetPaintedBounds() const {
   return gfx::Rect(view_->width(), painted_height_);
 }
 
 gfx::Rect BrowserHeaderPainterAsh::GetTitleBounds() const {
   return ash::HeaderPainterUtil::GetTitleBounds(window_icon_,
       caption_button_container_, BrowserFrame::GetTitleFontList());
 }