Update WebKit to 45111 and Skia to 239

chrome/browser/gtk/tabs/tab_renderer_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/tabs/tab_renderer_gtk.h"
 
 #include "app/gfx/canvas_paint.h"
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "chrome/browser/browser.h"
@@ skipping 527 matching lines @@
     Animation* animation = hover_animation_.get();
 
     PaintInactiveTabBackground(canvas);
     if (animation->GetCurrentValue() > 0) {
       SkRect bounds;
       bounds.set(0, 0,
           SkIntToScalar(width()), SkIntToScalar(height()));
       canvas->saveLayerAlpha(&bounds,
           static_cast<int>(animation->GetCurrentValue() * kHoverOpacity * 0xff),
               SkCanvas::kARGB_ClipLayer_SaveFlag);
-      canvas->drawARGB(0, 255, 255, 255, SkPorterDuff::kClear_Mode);
+      canvas->drawARGB(0, 255, 255, 255, SkXfermode::kClear_Mode);
       PaintActiveTabBackground(canvas);
       canvas->restore();
     }
   }
 }
 
 void TabRendererGtk::PaintInactiveTabBackground(gfx::Canvas* canvas) {
   bool is_otr = data_.off_the_record;
 
   // The tab image needs to be lined up with the background image
@@ skipping 187 matching lines @@
   gfx::Font base_font = rb.GetFont(ResourceBundle::BaseFont);
   title_font_ = new gfx::Font(gfx::Font::CreateFont(base_font.FontName(), 10));
   title_font_height_ = title_font_->height();
 
   InitializeLoadingAnimationData(&rb, &loading_animation_data);
 
   crashed_fav_icon = rb.GetBitmapNamed(IDR_SAD_FAVICON);
 
   initialized_ = true;
 }