Move skia to DEPS, and put it in third_party.

views/widget/root_view_gtk.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 "views/widget/root_view.h"
 
 #include <gtk/gtk.h>
 
 #include "app/gfx/chrome_canvas.h"
 #include "base/logging.h"
-#include "skia/include/SkColor.h"
+#include "third_party/skia/include/core/SkColor.h"
 
 namespace views {
 
 void RootView::UpdateCursor(const MouseEvent& e) {
   NOTIMPLEMENTED();
 }
 
 void RootView::OnPaint(GdkEventExpose* event) {
   ChromeCanvasPaint canvas(event);
 
   if (!canvas.isEmpty()) {
     SchedulePaint(gfx::Rect(canvas.rectangle()), false);
     if (NeedsPainting(false)) {
       ProcessPaint(&canvas);
     }
   }
 }
 
 }