switch to inheriting from SampleView



git-svn-id: http://skia.googlecode.com/svn/trunk@1249 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleHairline.cpp b/samplecode/SampleHairline.cpp
index 6c2fc43..ab5ac8c 100644
--- a/samplecode/SampleHairline.cpp
+++ b/samplecode/SampleHairline.cpp
@@ -180,7 +180,7 @@
     return (index + 1) % SK_ARRAY_COUNT(gProcs);
 }
 
-class HairlineView : public SkView {
+class HairlineView : public SampleView {
     SkMSec fNow;
     int fProcIndex;
     bool fDoAA;
@@ -209,17 +209,9 @@
         canvas->drawBitmap(b1, SkIntToScalar(b0.width()), 0, NULL);
     }
 
-    void drawBG(SkCanvas* canvas) {
-//        canvas->drawColor(0xFFDDDDDD);
-        canvas->drawColor(SK_ColorWHITE);
-   //     canvas->drawColor(SK_ColorBLACK);
-    }
-
     int fCounter;
 
-    virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
-        
+    virtual void onDrawContent(SkCanvas* canvas) {
         gRand.setSeed(fNow);
         
         if (false) {
@@ -269,7 +261,7 @@
     
 
 private:
-    typedef SkView INHERITED;
+    typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////