remove deprecated use of porterduff enum



git-svn-id: http://skia.googlecode.com/svn/trunk@235 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SamplePageFlip.cpp b/samplecode/SamplePageFlip.cpp
index ed4d340..29f0180 100644
--- a/samplecode/SamplePageFlip.cpp
+++ b/samplecode/SamplePageFlip.cpp
@@ -64,7 +64,7 @@
 //            SkDebugf("----- dirty [%d %d %d %d]\n", dirty.getBounds().fLeft, dirty.getBounds().fTop, dirty.getBounds().width(), dirty.getBounds().height());
             canvas.clipRegion(update.dirty());
             
-            canvas.drawColor(0, SkPorterDuff::kClear_Mode);            
+            canvas.drawColor(0, SkXfermode::kClear_Mode);            
             canvas.drawOval(oval, paint);
         }
         bounce(&x, &dx, WIDTH-OVALW);
diff --git a/samplecode/SamplePathEffects.cpp b/samplecode/SamplePathEffects.cpp
index e2b5f5a..c974850 100644
--- a/samplecode/SamplePathEffects.cpp
+++ b/samplecode/SamplePathEffects.cpp
@@ -251,8 +251,8 @@
             paint.setAntiAlias(true);
             paint.setAlpha(0x80);
             paint.setColorFilter(
-                SkColorFilter::CreatePorterDuffFilter(
-                    SkColorSetARGB(0x44, 0, 0xFF, 0), SkPorterDuff::kSrcATop_Mode))->unref();
+                SkColorFilter::CreateModeFilter(
+                    SkColorSetARGB(0x44, 0, 0xFF, 0), SkXfermode::kSrcATop_Mode))->unref();
             
             bounds.set(SkIntToScalar(10), SkIntToScalar(10), SkIntToScalar(150), SkIntToScalar(70));
             canvas->saveLayer(&bounds, &paint,