change asABitmap to isABitmap on shader

src/effects/gradients/SkTwoPointConicalGradient.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkTwoPointConicalGradient.h"
 #include "SkTwoPointConicalGradient_gpu.h"
 
@@ skipping 274 matching lines @@
             TwoPtRadialContext rec(twoPointConicalGradient.fRec, srcPt.fX, srcPt.fY, 0, 0);
             (*shadeProc)(&rec, dstC, cache, toggle, 1);
 
             dstX += SK_Scalar1;
             toggle = next_dither_toggle(toggle);
             dstC += 1;
         }
     }
 }
 
-SkShader::BitmapType SkTwoPointConicalGradient::asABitmap(
-    SkBitmap* bitmap, SkMatrix* matrix, SkShader::TileMode* xy) const {
-    SkPoint diff = fCenter2 - fCenter1;
-    SkScalar diffLen = 0;
-
-    if (bitmap) {
-        this->getGradientTableBitmap(bitmap);
-    }
-    if (matrix) {
-        diffLen = diff.length();
-    }
-    if (matrix) {
-        if (diffLen) {
-            SkScalar invDiffLen = SkScalarInvert(diffLen);
-            // rotate to align circle centers with the x-axis
-            matrix->setSinCos(-SkScalarMul(invDiffLen, diff.fY),
-                              SkScalarMul(invDiffLen, diff.fX));
-        } else {
-            matrix->reset();
-        }
-        matrix->preTranslate(-fCenter1.fX, -fCenter1.fY);
-    }
-    if (xy) {
-        xy[0] = fTileMode;
-        xy[1] = kClamp_TileMode;
-    }
-    return kTwoPointConical_BitmapType;
-}
-
 // Returns the original non-sorted version of the gradient
 SkShader::GradientType SkTwoPointConicalGradient::asAGradient(
     GradientInfo* info) const {
     if (info) {
         commonAsAGradient(info, fFlippedGrad);
         info->fPoint[0] = fCenter1;
         info->fPoint[1] = fCenter2;
         info->fRadius[0] = fRadius1;
         info->fRadius[1] = fRadius2;
         if (fFlippedGrad) {
@@ skipping 101 matching lines @@
     str->appendScalar(fCenter2.fY);
     str->append(") radius2: ");
     str->appendScalar(fRadius2);
     str->append(" ");
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif