Mark existing image filter entry points that will be going away with Deprecated

include/effects/SkXfermodeImageFilter.h

 /*
  * Copyright 2013 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkXfermodeImageFilter_DEFINED
 #define SkXfermodeImageFilter_DEFINED
 
@@ skipping 13 matching lines @@
     static SkImageFilter* Create(SkXfermode* mode, SkImageFilter* background,
                                  SkImageFilter* foreground = NULL,
                                  const CropRect* cropRect = NULL) {
         SkImageFilter* inputs[2] = { background, foreground };
         return new SkXfermodeImageFilter(mode, inputs, cropRect);
     }
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkXfermodeImageFilter)
 
-    bool onFilterImage(Proxy* proxy,
-                       const SkBitmap& src,
-                       const Context& ctx,
-                       SkBitmap* dst,
-                       SkIPoint* offset) const override;
+    bool onFilterImageDeprecated(Proxy* proxy,
+                                 const SkBitmap& src,
+                                 const Context& ctx,
+                                 SkBitmap* dst,
+                                 SkIPoint* offset) const override;
 #if SK_SUPPORT_GPU
     bool canFilterImageGPU() const override;
-    bool filterImageGPU(Proxy* proxy, const SkBitmap& src, const Context& ctx,
-                        SkBitmap* result, SkIPoint* offset) const override;
+    bool filterImageGPUDeprecated(Proxy* proxy, const SkBitmap& src, const Context& ctx,
+                                  SkBitmap* result, SkIPoint* offset) const override;
 #endif
 
 protected:
     SkXfermodeImageFilter(SkXfermode* mode, SkImageFilter* inputs[2],
                           const CropRect* cropRect);
     void flatten(SkWriteBuffer&) const override;
 
 private:
     SkAutoTUnref<SkXfermode> fMode;
     typedef SkImageFilter INHERITED;
 };
 
 #endif