Defining new color constat for transparent color
Review URL: https://codereview.appspot.com/6901044

git-svn-id: http://skia.googlecode.com/svn/trunk@6696 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleFatBits.cpp b/samplecode/SampleFatBits.cpp
index eac7136..3641ec9 100644
--- a/samplecode/SampleFatBits.cpp
+++ b/samplecode/SampleFatBits.cpp
@@ -21,7 +21,7 @@
 #define WIRE_FRAME_SIZE     1.5f
 
 static void erase(SkSurface* surface) {
-    surface->getCanvas()->clear(0);
+    surface->getCanvas()->clear(SK_ColorTRANSPARENT);
 }
 
 static SkShader* createChecker() {