Move convolver, image_operations, and skia_utils from base/gfx to skia/ext....

skia/ext/image_operations.h

 // 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.
 
-#ifndef BASE_GFX_IMAGE_OPERATIONS_H__
-#define BASE_GFX_IMAGE_OPERATIONS_H__
+#ifndef SKIA_EXT_IMAGE_OPERATIONS_H_
+#define SKIA_EXT_IMAGE_OPERATIONS_H_
 
 #include "base/basictypes.h"
 #include "base/gfx/rect.h"
 
 class SkBitmap;
 
-namespace gfx {
+namespace skia {
 
 class ImageOperations {
  public:
   enum ResizeMethod {
     // Box filter. This is a weighted average of all of the pixels touching
     // the destination pixel. For enlargement, this is nearest neighbor.
     //
     // You probably don't want this, it is here for testing since it is easy to
     // compute. Use RESIZE_LANCZOS3 instead.
     RESIZE_BOX,
 
     // 3-cycle Lanczos filter. This is tall in the middle, goes negative on
     // each side, then oscillates 2 more times. It gives nice sharp edges.
     RESIZE_LANCZOS3,
   };
 
   // Resizes the given source bitmap using the specified resize method, so that
   // the entire image is (dest_size) big. The dest_subset is the rectangle in
   // this destination image that should actually be returned.
   //
   // The output image will be (dest_subset.width(), dest_subset.height()). This
   // will save work if you do not need the entire bitmap.
   //
   // The destination subset must be smaller than the destination image.
   static SkBitmap Resize(const SkBitmap& source,
                          ResizeMethod method,
-                         const Size& dest_size,
-                         const Rect& dest_subset);
+                         const gfx::Size& dest_size,
+                         const gfx::Rect& dest_subset);
 
   // Alternate version for resizing and returning the entire bitmap rather than
   // a subset.
   static SkBitmap Resize(const SkBitmap& source,
                          ResizeMethod method,
-                         const Size& dest_size);
+                         const gfx::Size& dest_size);
 
 
   // Create a bitmap that is a blend of two others. The alpha argument
   // specifies the opacity of the second bitmap. The provided bitmaps must
   // use have the kARGB_8888_Config config and be of equal dimensions.
   static SkBitmap CreateBlendedBitmap(const SkBitmap& first,
                                       const SkBitmap& second,
                                       double alpha);
  private:
   ImageOperations();  // Class for scoping only.
 };
 
-}  // namespace gfx
+}  // namespace skia
 
-#endif  // BASE_GFX_IMAGE_OPERATIONS_H__
+#endif  // SKIA_EXT_IMAGE_OPERATIONS_H_