remove unneeded preroll

src/core/SkPicturePreroll.cpp

Index: src/core/SkPicturePreroll.cpp
diff --git a/src/core/SkPicturePreroll.cpp b/src/core/SkPicturePreroll.cpp
deleted file mode 100644
index c2d10fc7a28d975aee61b7512afa1c7eb31f0e68..0000000000000000000000000000000000000000
--- a/src/core/SkPicturePreroll.cpp
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkCanvas.h"
-#include "SkPicture.h"
-
-class SkPrerollCanvas : public SkCanvas {
-public:
-    SkPrerollCanvas(int width, int height, const SkSurfaceProps* props)
-        : SkCanvas(width, height, props)
-    {}
-
-protected:
-    void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-    
-    void onDrawText(const void*, size_t, SkScalar, SkScalar, const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-    
-    void onDrawPosText(const void*, size_t, const SkPoint[], const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-    
-    void onDrawPosTextH(const void*, size_t, const SkScalar[], SkScalar,
-                        const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-    
-    void onDrawTextOnPath(const void*, size_t, const SkPath&, const SkMatrix*,
-                          const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-    
-    void onDrawTextBlob(const SkTextBlob*, SkScalar, SkScalar, const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-    
-    void onDrawPatch(const SkPoint[12], const SkColor[4], const SkPoint[4], SkXfermode*,
-                     const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-    
-    void onDrawPaint(const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-
-    void onDrawRect(const SkRect&, const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-
-    void onDrawOval(const SkRect&, const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-
-    void onDrawRRect(const SkRRect&, const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-
-    void onDrawPoints(PointMode, size_t, const SkPoint[], const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-
-    void onDrawVertices(VertexMode, int, const SkPoint[], const SkPoint[], const SkColor[],
-                        SkXfermode*, const uint16_t[], int, const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-
-    void onDrawPath(const SkPath&, const SkPaint& paint) SK_OVERRIDE {
-        this->handlePaint(paint);
-    }
-
-    void onDrawImage(const SkImage* image, SkScalar, SkScalar, const SkPaint* paint) SK_OVERRIDE {
-        this->handleImage(image);
-        if (paint) {
-            this->handlePaint(*paint);
-        }
-    }
-
-    void onDrawImageRect(const SkImage* image, const SkRect*, const SkRect&,
-                         const SkPaint* paint) SK_OVERRIDE {
-        this->handleImage(image);
-        if (paint) {
-            this->handlePaint(*paint);
-        }
-    }
-
-    void onDrawBitmap(const SkBitmap& bm, SkScalar, SkScalar, const SkPaint* paint) SK_OVERRIDE {
-        this->handleBitmap(bm);
-        if (paint) {
-            this->handlePaint(*paint);
-        }
-    }
-
-    void onDrawBitmapRect(const SkBitmap& bm, const SkRect*, const SkRect&, const SkPaint* paint,
-                          DrawBitmapRectFlags) SK_OVERRIDE {
-        this->handleBitmap(bm);
-        if (paint) {
-            this->handlePaint(*paint);
-        }
-    }
-
-    void onDrawBitmapNine(const SkBitmap& bm, const SkIRect&, const SkRect&,
-                          const SkPaint* paint) SK_OVERRIDE {
-        this->handleBitmap(bm);
-        if (paint) {
-            this->handlePaint(*paint);
-        }
-    }
-
-    void onDrawSprite(const SkBitmap& bm, int, int, const SkPaint* paint) SK_OVERRIDE {
-        this->handleBitmap(bm);
-        if (paint) {
-            this->handlePaint(*paint);
-        }
-    }
-
-private:
-    void handlePaint(const SkPaint& paint) {
-        const SkShader* shader = paint.getShader();
-        if (shader) {
-            shader->preroll();
-        }
-    }
-
-    void handleImage(const SkImage* image) {
-        image->preroll();
-    }
-
-    void handleBitmap(const SkBitmap& bitmap) {
-        SkBitmap bm(bitmap);
-        bm.lockPixels();
-    }
-
-    typedef SkCanvas INHERITED;
-};
-
-///////////////////////////////////////////////////////////////////////////////////////////////////
-
-void SkPicture::preroll(const SkRect* srcBounds, const SkMatrix* initialMatrix,
-                        const SkSurfaceProps* props, void* gpuCacheAccessor) const {
-    SkRect bounds = this->cullRect();
-    if (srcBounds && !bounds.intersect(*srcBounds)) {
-        return;
-    }
-
-    const SkIRect ibounds = bounds.roundOut();
-    if (ibounds.isEmpty()) {
-        return;
-    }
-
-    SkPrerollCanvas canvas(ibounds.width(), ibounds.height(), props);
-
-    canvas.translate(-SkIntToScalar(ibounds.left()), -SkIntToScalar(ibounds.top()));
-    canvas.drawPicture(this, initialMatrix, NULL);
-}
-