Switch from using GdkPixbuf to cairo for painting on Drawables.

webkit/tools/test_shell/gtk/webwidget_host.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 "webkit/tools/test_shell/webwidget_host.h"
 
+#include <cairo/cairo.h>
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
 #include "base/gfx/platform_canvas_linux.h"
 #include "base/gfx/platform_device_linux.h"
 #include "base/gfx/bitmap_platform_device_linux.h"
 #include "webkit/glue/webinputevent.h"
 #include "webkit/glue/webwidget.h"
 
 namespace {
@@ skipping 208 matching lines @@
       DLOG_IF(WARNING, i == 1) << "painting caused additional invalidations";
       PaintRect(rect);
     }
   }
   DCHECK(paint_rect_.IsEmpty());
 
   // BitBlit to the X server
   gfx::PlatformDeviceLinux &platdev = canvas_->getTopPlatformDevice();
   gfx::BitmapPlatformDeviceLinux* const bitdev =
     static_cast<gfx::BitmapPlatformDeviceLinux* >(&platdev);
-  gdk_draw_pixbuf(view_->window, NULL, bitdev->pixbuf(),
-                  0, 0, 0, 0, width, height, GDK_RGB_DITHER_NONE, 0, 0);
+  
+  cairo_t* cairo_drawable = gdk_cairo_create(view_->window);
+  cairo_set_source_surface(cairo_drawable, bitdev->surface(), 0, 0);
+  cairo_paint(cairo_drawable);
+  cairo_destroy(cairo_drawable);
 }
 
 void WebWidgetHost::ResetScrollRect() {
   scroll_rect_ = gfx::Rect();
   scroll_dx_ = 0;
   scroll_dy_ = 0;
 }
 
 void WebWidgetHost::PaintRect(const gfx::Rect& rect) {
   set_painting(true);
   webwidget_->Paint(canvas_.get(), rect);
   set_painting(false);
 }
 
 // -----------------------------------------------------------------------------
 // This is called when the GTK window is destroyed. In the Windows code this
 // deletes this object. Since it's only test_shell it probably doesn't matter
 // that much.
 // -----------------------------------------------------------------------------
 void WebWidgetHost::WindowDestroyed() {
   delete this;
 }