Fix incremental visibility filter handling.

src/utils/debugger/SkDebugCanvas.h

Index: src/utils/debugger/SkDebugCanvas.h
diff --git a/src/utils/debugger/SkDebugCanvas.h b/src/utils/debugger/SkDebugCanvas.h
index 3df31513b46b2f56742d26fb1f6316f7629665ab..262619e7f19fe48274c0361527cc0fca0e888c5a 100644
--- a/src/utils/debugger/SkDebugCanvas.h
+++ b/src/utils/debugger/SkDebugCanvas.h
@@ -42,15 +42,6 @@ public:
     void draw(SkCanvas* canvas);
 
     /**
-        Executes the draw calls in the specified range.
-        @param canvas  The canvas being drawn to
-        @param i  The beginning of the range
-        @param j  The end of the range
-        TODO(chudy): Implement
-     */
-    void drawRange(SkCanvas* canvas, int i, int j);
-
-    /**
         Executes the draw calls up to the specified index.
         @param canvas  The canvas being drawn to
         @param index  The index of the final command being executed
@@ -244,9 +235,8 @@ public:
 
 private:
     SkTDArray<SkDrawCommand*> fCommandVector;
-    int fHeight;
     int fWidth;
-    SkBitmap fBm;
+    int fHeight;
     bool fFilter;
     int fIndex;
     SkMatrix fUserMatrix;