Move skia to DEPS, and put it in third_party.

base/gfx/native_theme.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 "base/gfx/native_theme.h"
 
 #include <windows.h>
 #include <uxtheme.h>
 #include <vsstyle.h>
 #include <vssym32.h>
 
 #include "base/gfx/gdi_util.h"
 #include "base/gfx/rect.h"
 #include "base/logging.h"
 #include "base/scoped_handle.h"
 #include "skia/ext/platform_canvas.h"
 #include "skia/ext/skia_utils_win.h"
-#include "skia/include/SkShader.h"
+#include "third_party/skia/include/core/SkShader.h"
 
 namespace {
 
 void SetCheckerboardShader(SkPaint* paint, const RECT& align_rect) {
   // Create a 2x2 checkerboard pattern using the 3D face and highlight colors.
   SkColor face = skia::COLORREFToSkColor(GetSysColor(COLOR_3DFACE));
   SkColor highlight = skia::COLORREFToSkColor(GetSysColor(COLOR_3DHILIGHT));
   SkColor buffer[] = { face, highlight, highlight, face };
   // Confusing bit: we first create a temporary bitmap with our desired pattern,
   // then copy it to another bitmap.  The temporary bitmap doesn't take
@@ skipping 672 matching lines @@
     handle = open_theme_(NULL, L"Window");
     break;
   default:
     NOTREACHED();
   }
   theme_handles_[theme_name] = handle;
   return handle;
 }
 
 }  // namespace gfx