stop using SkScalarMul

BUG=skia:

Change-Id: Ie41d8665a1c62ba8eddc93d8cfefaf64ddc52ff8
Reviewed-on: https://skia-review.googlesource.com/8411
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 81a8fe8..8b5e074 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -1305,30 +1305,30 @@
     string.appendf("(%i, %i)", fMouseX, fMouseY);
     SkScalar left = dest.fLeft + SkIntToScalar(3);
     SkScalar i = SK_Scalar1;
-    drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
+    drawText(canvas, string, left, lineHeight * i + dest.fTop, paint);
     // Alpha
     i += SK_Scalar1;
     string.reset();
     string.appendf("A: %X", SkColorGetA(color));
-    drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
+    drawText(canvas, string, left, lineHeight * i + dest.fTop, paint);
     // Red
     i += SK_Scalar1;
     string.reset();
     string.appendf("R: %X", SkColorGetR(color));
     paint.setColor(SK_ColorRED);
-    drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
+    drawText(canvas, string, left, lineHeight * i + dest.fTop, paint);
     // Green
     i += SK_Scalar1;
     string.reset();
     string.appendf("G: %X", SkColorGetG(color));
     paint.setColor(0xFF008800);
-    drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
+    drawText(canvas, string, left, lineHeight * i + dest.fTop, paint);
     // Blue
     i += SK_Scalar1;
     string.reset();
     string.appendf("B: %X", SkColorGetB(color));
     paint.setColor(SK_ColorBLUE);
-    drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
+    drawText(canvas, string, left, lineHeight * i + dest.fTop, paint);
     canvas->restoreToCount(count);
 }