Move the titlebar background drawing from the titlebar to the

chrome/browser/gtk/browser_window_gtk.cc

 // Copyright (c) 2009 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/gtk/browser_window_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 
 #include "app/resource_bundle.h"
 #include "app/theme_provider.h"
@@ skipping 342 matching lines @@
     gtk_accel_groups_activate(G_OBJECT(window_), keyval, modifier);
   }
 }
 
 gboolean BrowserWindowGtk::OnCustomFrameExpose(GtkWidget* widget,
                                                GdkEventExpose* event,
                                                BrowserWindowGtk* window) {
   // TODO(tc): This will have to be dynamic once themes are supported.  Maybe
   // detect the theme install and delete the pointer?
   static NineBox* custom_frame_border = NULL;
+  static NineBox* default_background = NULL;
+  static NineBox* default_background_otr = NULL;
 
   if (window->use_custom_frame_.GetValue()) {
     ThemeProvider* theme_provider =
         window->browser()->profile()->GetThemeProvider();
     if (!custom_frame_border) {
       custom_frame_border = new NineBox(
           theme_provider,
           IDR_WINDOW_TOP_LEFT_CORNER,
           IDR_WINDOW_TOP_CENTER,
           IDR_WINDOW_TOP_RIGHT_CORNER,
           IDR_WINDOW_LEFT_SIDE,
           NULL,
           IDR_WINDOW_RIGHT_SIDE,
           IDR_WINDOW_BOTTOM_LEFT_CORNER,
           IDR_WINDOW_BOTTOM_CENTER,
           IDR_WINDOW_BOTTOM_RIGHT_CORNER);
+      default_background = new NineBox(theme_provider,
+          0, IDR_THEME_FRAME, 0, 0, 0, 0, 0, 0, 0);
+      default_background_otr = new NineBox(theme_provider,
+          0, IDR_THEME_FRAME_INCOGNITO, 0, 0, 0, 0, 0, 0, 0);
     }
 
+    // Draw the default background.
     // TODO(tc): Handle maximized windows.
+    cairo_t* cr = gdk_cairo_create(GDK_DRAWABLE(widget->window));
+    cairo_rectangle(cr, event->area.x, event->area.y, event->area.width,
+                    event->area.height);
+    cairo_clip(cr);
+    NineBox* image = window->browser()->profile()->IsOffTheRecord()
+        ? default_background_otr : default_background;
+    image->RenderTopCenterStrip(cr, event->area.x, 0, event->area.width);
+    cairo_destroy(cr);
 
     // TODO(tc): Draw the theme overlay.  The windows code is below.
     // if (theme_provider->HasCustomImage(IDR_THEME_FRAME_OVERLAY)) {
     //   SkBitmap* theme_overlay = theme_provider->GetBitmapNamed(
     //       IDR_THEME_FRAME_OVERLAY);
     //   canvas->DrawBitmapInt(*theme_overlay, 0, 0);
     // }
 
     custom_frame_border->RenderToWidget(widget);
   }
@@ skipping 859 matching lines @@
       *edge = GDK_WINDOW_EDGE_NORTH_EAST;
     } else if (y < bounds_.height() - kResizeAreaCornerSize) {
       *edge = GDK_WINDOW_EDGE_EAST;
     } else {
       *edge = GDK_WINDOW_EDGE_SOUTH_EAST;
     }
     return true;
   }
   NOTREACHED();
 }