hide deviceproperties, prepare the way for surfaceprops

experimental/PdfViewer/SkTrackDevice.h

Index: experimental/PdfViewer/SkTrackDevice.h
diff --git a/experimental/PdfViewer/SkTrackDevice.h b/experimental/PdfViewer/SkTrackDevice.h
index 25857f6635cc373f9a74d46f987e832155f72f39..ca4c6894aa2e6e7afef15fdeb1ffacfa5265eb98 100644
--- a/experimental/PdfViewer/SkTrackDevice.h
+++ b/experimental/PdfViewer/SkTrackDevice.h
@@ -29,10 +29,6 @@ public:
     SkTrackDevice(const SkBitmap& bitmap) : SkBitmapDevice(bitmap)
                                           , fTracker(NULL) {}
 
-    SkTrackDevice(const SkBitmap& bitmap, const SkDeviceProperties& deviceProperties)
-        : SkBitmapDevice(bitmap, deviceProperties)
-        , fTracker(NULL) {}
-
     virtual ~SkTrackDevice() {}
 
     // Install a tracker - we can reuse the tracker between multiple devices, and the state of the