change asABitmap to isABitmap on shader

src/device/xps/SkXPSDevice.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkTypes.h"
 
 #ifndef UNICODE
@@ skipping 1053 matching lines @@
         }
 
         if (SkShader::kSweep_GradientType == gradientType) {
             //have to fake
         }
     }
 
     SkBitmap outTexture;
     SkMatrix outMatrix;
     SkShader::TileMode xy[2];
-    SkShader::BitmapType bitmapType = shader->asABitmap(&outTexture,
-                                                        &outMatrix,
-                                                        xy);
-    switch (bitmapType) {
-        case SkShader::kDefault_BitmapType: {
-            //TODO: outMatrix??
-            SkMatrix localMatrix = shader->getLocalMatrix();
-            if (parentTransform) {
-                localMatrix.preConcat(*parentTransform);
-            }
+    if (shader->isABitmap(&outTexture, &outMatrix, xy)) {
+        //TODO: outMatrix??
+        SkMatrix localMatrix = shader->getLocalMatrix();
+        if (parentTransform) {
+            localMatrix.preConcat(*parentTransform);
+        }
 
-            SkTScopedComPtr<IXpsOMTileBrush> tileBrush;
-            HR(this->createXpsImageBrush(outTexture,
-                                         localMatrix,
-                                         xy,
-                                         skPaint.getAlpha(),
-                                         &tileBrush));
+        SkTScopedComPtr<IXpsOMTileBrush> tileBrush;
+        HR(this->createXpsImageBrush(outTexture,
+                                     localMatrix,
+                                     xy,
+                                     skPaint.getAlpha(),
+                                     &tileBrush));
 
-            HRM(tileBrush->QueryInterface<IXpsOMBrush>(brush), "QI failed.");
-
-            return S_OK;
-        }
-        default:
-            break;
+        HRM(tileBrush->QueryInterface<IXpsOMBrush>(brush), "QI failed.");
+    } else {
+        HR(this->createXpsSolidColorBrush(skPaint.getColor(), 0xFF, brush));
     }
-
-    HR(this->createXpsSolidColorBrush(skPaint.getColor(), 0xFF, brush));
     return S_OK;
 }
 
 static bool rect_must_be_pathed(const SkPaint& paint, const SkMatrix& matrix) {
     const bool zeroWidth = (0 == paint.getStrokeWidth());
     const bool stroke = (SkPaint::kFill_Style != paint.getStyle());
 
     return paint.getPathEffect() ||
            paint.getMaskFilter() ||
            paint.getRasterizer() ||
@@ skipping 1156 matching lines @@
         //To what stream do we write?
         //SkXPSDevice* dev = new SkXPSDevice(this);
         //SkSize s = SkSize::Make(width, height);
         //dev->BeginCanvas(s, s, SkMatrix::I());
         //return dev;
     }
 #endif
     return new SkXPSDevice(this->fXpsFactory.get());
 }