Remove more views code, just to simplify things

Bug: skia:
Change-Id: Ie31a3c764e4f88f2b08f4198bd253841a2d8c264
Reviewed-on: https://skia-review.googlesource.com/79100
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
diff --git a/samplecode/SampleFilter2.cpp b/samplecode/SampleFilter2.cpp
index e6134bd..72beb06 100644
--- a/samplecode/SampleFilter2.cpp
+++ b/samplecode/SampleFilter2.cpp
@@ -9,15 +9,16 @@
 #include "SampleCode.h"
 #include "SkView.h"
 #include "SkCanvas.h"
+#include "SkColorFilter.h"
+#include "SkColorPriv.h"
 #include "SkGradientShader.h"
 #include "SkGraphics.h"
 #include "SkPath.h"
 #include "SkRegion.h"
 #include "SkShader.h"
-#include "SkUtils.h"
-#include "SkColorPriv.h"
-#include "SkColorFilter.h"
+#include "SkString.h"
 #include "SkTime.h"
+#include "SkUtils.h"
 
 static const char* gNames[] = {
     "/skimages/background_01.png"