Ensure that overlay does not appear in incognito mode....

chrome/browser/views/frame/opaque_browser_frame_view.cc

 // Copyright (c) 2006-2008 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/views/frame/opaque_browser_frame_view.h"
 
 #include "app/gfx/canvas.h"
 #include "app/gfx/font.h"
 #include "app/gfx/path.h"
 #include "app/l10n_util.h"
@@ skipping 616 matching lines @@
   canvas->FillRectInt(frame_color,
       left_edge->width(), height() - bottom_edge->height(),
       width() - left_edge->width() - right_edge->width(),
       bottom_edge->height());
 
   // Draw the theme frame.
   canvas->TileImageInt(*theme_frame, 0, 0, width(), theme_frame->height());
 
   // Draw the theme frame overlay
   if (tp->HasCustomImage(IDR_THEME_FRAME_OVERLAY) &&
-      browser_view_->IsBrowserTypeNormal()) {
+      browser_view_->IsBrowserTypeNormal() &&
+      !browser_view_->IsOffTheRecord()) {
     SkBitmap* theme_overlay;
     if (ShouldPaintAsActive())
       theme_overlay = tp->GetBitmapNamed(IDR_THEME_FRAME_OVERLAY);
     else
       theme_overlay = tp->GetBitmapNamed(IDR_THEME_FRAME_OVERLAY_INACTIVE);
     canvas->DrawBitmapInt(*theme_overlay, 0, 0);
   }
 
   // Top.
   int top_left_height = std::min(top_left_corner->height(),
@@ skipping 429 matching lines @@
   static bool initialized = false;
   if (!initialized) {
 #if defined(OS_WIN)
     title_font_ = new gfx::Font(win_util::GetWindowTitleFont());
 #else
     title_font_ = new gfx::Font();
 #endif
     initialized = true;
   }
 }