SkPDF/Device/ImageFilter: Fix ImageFilter fallback code

include/core/SkDevice.h

 /*
  * Copyright 2010 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 SkDevice_DEFINED
 #define SkDevice_DEFINED
 
@@ skipping 312 matching lines @@
      *  to perform some device-specific warm up tasks and then let SkCanvas
      *  perform the main rendering loop (by return false from here).
      */
     virtual bool EXPERIMENTAL_drawPicture(SkCanvas*, const SkPicture*, const SkMatrix*,
                                           const SkPaint*);
 
     struct CreateInfo {
         static SkPixelGeometry AdjustGeometry(const SkImageInfo&, TileUsage, SkPixelGeometry);
 
         // The constructor may change the pixel geometry based on other parameters.
-        CreateInfo(const SkImageInfo& info, TileUsage tileUsage, SkPixelGeometry geo)
+        CreateInfo(const SkImageInfo& info,
+                   TileUsage tileUsage,
+                   SkPixelGeometry geo,
+                   bool forImageFilter = false)
             : fInfo(info)
             , fTileUsage(tileUsage)
             , fPixelGeometry(AdjustGeometry(info, tileUsage, geo))
-        {}
+            , fForImageFilter(forImageFilter) {}
 
         const SkImageInfo       fInfo;
         const TileUsage         fTileUsage;
         const SkPixelGeometry   fPixelGeometry;
+        const bool              fForImageFilter;
     };
 
     /**
      *  Create a new device based on CreateInfo. If the paint is not null, then it represents a
      *  preview of how the new device will be composed with its creator device (this).
      */
     virtual SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) {
         return NULL;
     }
 
@@ skipping 33 matching lines @@
     SkDeviceProperties* fLeakyProperties;   // will always exist.
 
 #ifdef SK_DEBUG
     bool        fAttachedToCanvas;
 #endif
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif