Alter SkCanvas::drawPicture (devirtualize, take const SkPicture, take pointer)

src/core/SkPictureShader.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPictureShader.h"
 
 #include "SkBitmap.h"
@@ skipping 74 matching lines @@
     if (!fCachedBitmapShader || tileScale != fCachedTileScale ||
         this->getLocalMatrix() != fCachedLocalMatrix) {
         SkBitmap bm;
         if (!bm.allocN32Pixels(tileSize.width(), tileSize.height())) {
             return NULL;
         }
         bm.eraseColor(SK_ColorTRANSPARENT);
 
         SkCanvas canvas(bm);
         canvas.scale(tileScale.width(), tileScale.height());
-        canvas.drawPicture(*fPicture);
+        canvas.drawPicture(fPicture);
 
         fCachedTileScale = tileScale;
         fCachedLocalMatrix = this->getLocalMatrix();
 
         SkMatrix shaderMatrix = this->getLocalMatrix();
         shaderMatrix.preScale(1 / tileScale.width(), 1 / tileScale.height());
         fCachedBitmapShader.reset(CreateBitmapShader(bm, fTmx, fTmy, &shaderMatrix));
     }
 
     // Increment the ref counter inside the mutex to ensure the returned pointer is still valid.
@@ skipping 84 matching lines @@
 #if SK_SUPPORT_GPU
 GrEffectRef* SkPictureShader::asNewEffect(GrContext* context, const SkPaint& paint,
                                           const SkMatrix* localMatrix) const {
     SkAutoTUnref<SkShader> bitmapShader(this->refBitmapShader(context->getMatrix(), localMatrix));
     if (!bitmapShader) {
         return NULL;
     }
     return bitmapShader->asNewEffect(context, paint, NULL);
 }
 #endif