Make SkImageFilter methods const.

include/gpu/SkGpuDevice.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
@@ skipping 113 matching lines @@
 
     virtual void onAttachToCanvas(SkCanvas* canvas) SK_OVERRIDE;
     virtual void onDetachFromCanvas() SK_OVERRIDE;
 
     /**
      * Make's this device's rendertarget current in the underlying 3D API.
      * Also implicitly flushes.
      */
     virtual void makeRenderTargetCurrent();
 
-    virtual bool canHandleImageFilter(SkImageFilter*) SK_OVERRIDE;
-    virtual bool filterImage(SkImageFilter*, const SkBitmap&, const SkMatrix&,
+    virtual bool canHandleImageFilter(const SkImageFilter*) SK_OVERRIDE;
+    virtual bool filterImage(const SkImageFilter*, const SkBitmap&, const SkMatrix&,
                              SkBitmap*, SkIPoint*) SK_OVERRIDE;
 
     class SkAutoCachedTexture; // used internally
 
 protected:
     // overrides from SkBaseDevice
     virtual bool onReadPixels(const SkBitmap& bitmap,
                               int x, int y,
                               SkCanvas::Config8888 config8888) SK_OVERRIDE;
 
@@ skipping 63 matching lines @@
                          const GrTextureParams& params,
                          const SkPaint& paint,
                          SkCanvas::DrawBitmapRectFlags flags,
                          int tileSize,
                          bool bicubic);
 
     typedef SkBitmapDevice INHERITED;
 };
 
 #endif