remove some dead code in pipes
inherit from SampleView for more samples
add L key to toggle using SkGPipe



git-svn-id: http://skia.googlecode.com/svn/trunk@1296 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleBigGradient.cpp b/samplecode/SampleBigGradient.cpp
index 5d6d247..5ebb516 100644
--- a/samplecode/SampleBigGradient.cpp
+++ b/samplecode/SampleBigGradient.cpp
@@ -10,7 +10,7 @@
                                           SkShader::kClamp_TileMode);
 }
 
-class BigGradientView : public SkView {
+class BigGradientView : public SampleView {
 public:
 	BigGradientView() {}
 
@@ -24,10 +24,7 @@
         return this->INHERITED::onQuery(evt);
     }
 
-    void drawBG(SkCanvas* canvas) {
-    }
-
-    virtual void onDraw(SkCanvas* canvas) {
+    virtual void onDrawContent(SkCanvas* canvas) {
         SkRect r;
         r.set(0, 0, this->width(), this->height());
         SkPaint p;
@@ -36,7 +33,7 @@
     }
 
 private:
-    typedef SkView INHERITED;
+    typedef SampleView INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////