remove SkError

It has not caught on.

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=3321

Change-Id: Ib2ee4ef99bc89c8f4b7504e42a9d7d9dfc483015
Reviewed-on: https://skia-review.googlesource.com/3321
Reviewed-by: Leon Scroggins <scroggo@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
diff --git a/src/core/SkPath.cpp b/src/core/SkPath.cpp
index 4c49e6b..59b63b8 100644
--- a/src/core/SkPath.cpp
+++ b/src/core/SkPath.cpp
@@ -8,7 +8,6 @@
 #include <cmath>
 #include "SkBuffer.h"
 #include "SkCubicClipper.h"
-#include "SkErrorInternals.h"
 #include "SkGeometry.h"
 #include "SkMath.h"
 #include "SkPathPriv.h"
@@ -1205,10 +1204,6 @@
     assert_known_direction(dir);
 
     if (rx < 0 || ry < 0) {
-        SkErrorInternals::SetError( kInvalidArgument_SkError,
-                                    "I got %f and %f as radii to SkPath::AddRoundRect, "
-                                    "but negative radii are not allowed.",
-                                    SkScalarToDouble(rx), SkScalarToDouble(ry) );
         return;
     }
 
@@ -1301,7 +1296,7 @@
         // We cannot use SkScalarSinCos function in the next line because
         // SkScalarSinCos has a threshold *SkScalarNearlyZero*. When sin(startAngle)
         // is 0 and sweepAngle is very small and radius is huge, the expected
-        // behavior here is to draw a line. But calling SkScalarSinCos will 
+        // behavior here is to draw a line. But calling SkScalarSinCos will
         // make sin(endAngle) to be 0 which will then draw a dot.
         singlePt.set(oval.centerX() + radiusX * sk_float_cos(endAngle),
             oval.centerY() + radiusY * sk_float_sin(endAngle));