merge with changes for GPU backend



git-svn-id: http://skia.googlecode.com/svn/trunk@637 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleTinyBitmap.cpp b/samplecode/SampleTinyBitmap.cpp
index 1563c7a..ffbff25 100644
--- a/samplecode/SampleTinyBitmap.cpp
+++ b/samplecode/SampleTinyBitmap.cpp
@@ -48,6 +48,10 @@
     }
     
     void drawBG(SkCanvas* canvas) {
+        SkIPoint size;
+        if (canvas->getViewport(&size)) {
+            SkDebugf("");
+        }
         canvas->drawColor(0xFFDDDDDD);
     }