Reduce internal explicit SaveFlags usage.

Most of these are either redundant/defaults or (hopefully)
unnecessarily specific.

R=reed@google.com, robertphillips@google.com

Author: fmalita@chromium.org

Review URL: https://codereview.chromium.org/241453003

git-svn-id: http://skia.googlecode.com/svn/trunk@14253 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleLayers.cpp b/samplecode/SampleLayers.cpp
index 430c832..3ae5439 100644
--- a/samplecode/SampleLayers.cpp
+++ b/samplecode/SampleLayers.cpp
@@ -69,11 +69,11 @@
     canvas->clipRect(r);
 
     r.fBottom = SkIntToScalar(20);
-    canvas->saveLayer(&r, NULL, (SkCanvas::SaveFlags)(SkCanvas::kHasAlphaLayer_SaveFlag | SkCanvas::kFullColorLayer_SaveFlag));
+    canvas->saveLayer(&r, NULL);
 
     r.fTop = SkIntToScalar(80);
     r.fBottom = SkIntToScalar(100);
-    canvas->saveLayer(&r, NULL, (SkCanvas::SaveFlags)(SkCanvas::kHasAlphaLayer_SaveFlag | SkCanvas::kFullColorLayer_SaveFlag));
+    canvas->saveLayer(&r, NULL);
 
     // now draw the "content"
 
@@ -203,7 +203,7 @@
             r.set(SkIntToScalar(0), SkIntToScalar(0),
                   SkIntToScalar(220), SkIntToScalar(60));
 
-            canvas->saveLayer(&r, &p, (SkCanvas::SaveFlags)(SkCanvas::kHasAlphaLayer_SaveFlag | SkCanvas::kFullColorLayer_SaveFlag));
+            canvas->saveLayer(&r, &p);
 
             r.set(SkIntToScalar(0), SkIntToScalar(0),
                   SkIntToScalar(220), SkIntToScalar(120));