add --writeChecksumBasedFilenames flag to render_pictures

BUG=skia:1455,skia:2230
R=robertphillips@google.com, robertphillips@chromium.org

Author: epoger@google.com

Review URL: https://codereview.chromium.org/202983003

git-svn-id: http://skia.googlecode.com/svn/trunk@13859 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/CopyTilesRenderer.h b/tools/CopyTilesRenderer.h
index 9a8b374..ef1ccb0 100644
--- a/tools/CopyTilesRenderer.h
+++ b/tools/CopyTilesRenderer.h
@@ -23,13 +23,14 @@
 
     public:
         CopyTilesRenderer(int x, int y);
-        virtual void init(SkPicture* pict) SK_OVERRIDE;
+        virtual void init(SkPicture* pict, const SkString* outputDir, const SkString* inputFilename,
+                          bool useChecksumBasedFilenames) SK_OVERRIDE;
 
         /**
          *  Similar to TiledPictureRenderer, this will draw a PNG for each tile. However, the
          *  numbering (and actual tiles) will be different.
          */
-        virtual bool render(const SkString* path, SkBitmap** out) SK_OVERRIDE;
+        virtual bool render(SkBitmap** out) SK_OVERRIDE;
 
         virtual bool supportsTimingIndividualTiles() SK_OVERRIDE { return false; }