Revert of Remove calls to deprecated SkPDFDevice and SkPDFDocuemnt.

ui/gfx/skia_util.cc

 // Copyright (c) 2012 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 "ui/gfx/skia_util.h"
 
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkColorFilter.h"
 #include "third_party/skia/include/core/SkColorPriv.h"
 #include "third_party/skia/include/core/SkUnPreMultiply.h"
@@ skipping 29 matching lines @@
                           SkFloatToScalar(rect.height()));
 }
 
 RectF SkRectToRectF(const SkRect& rect) {
   return RectF(SkScalarToFloat(rect.x()),
                SkScalarToFloat(rect.y()),
                SkScalarToFloat(rect.width()),
                SkScalarToFloat(rect.height()));
 }
 
-SkSize SizeFToSkSize(const SizeF& size) {
-  return SkSize::Make(SkFloatToScalar(size.width()),
-                      SkFloatToScalar(size.height()));
-}
-
-SizeF SkSizeToSizeF(const SkSize& size) {
-  return SizeF(SkScalarToFloat(size.width()), SkScalarToFloat(size.height()));
-}
-
 void TransformToFlattenedSkMatrix(const gfx::Transform& transform,
                                   SkMatrix* flattened) {
   // Convert from 4x4 to 3x3 by dropping the third row and column.
   flattened->set(0, SkMScalarToScalar(transform.matrix().get(0, 0)));
   flattened->set(1, SkMScalarToScalar(transform.matrix().get(0, 1)));
   flattened->set(2, SkMScalarToScalar(transform.matrix().get(0, 3)));
   flattened->set(3, SkMScalarToScalar(transform.matrix().get(1, 0)));
   flattened->set(4, SkMScalarToScalar(transform.matrix().get(1, 1)));
   flattened->set(5, SkMScalarToScalar(transform.matrix().get(1, 3)));
   flattened->set(6, SkMScalarToScalar(transform.matrix().get(3, 0)));
@@ skipping 124 matching lines @@
     } else {
       rgba[i + 0] = SkGetPackedR32(pixel_in);
       rgba[i + 1] = SkGetPackedG32(pixel_in);
       rgba[i + 2] = SkGetPackedB32(pixel_in);
       rgba[i + 3] = alpha;
     }
   }
 }
 
 }  // namespace gfx