store info in basedevice, change getter to non-virtual const&

src/svg/SkSVGDevice.cpp

 /*
  * 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 "SkSVGDevice.h"
 
 #include "SkBase64.h"
@@ skipping 552 matching lines @@
 
 SkBaseDevice* SkSVGDevice::Create(const SkISize& size, SkXMLWriter* writer) {
     if (!writer) {
         return nullptr;
     }
 
     return new SkSVGDevice(size, writer);
 }
 
 SkSVGDevice::SkSVGDevice(const SkISize& size, SkXMLWriter* writer)
-    : INHERITED(SkSurfaceProps(0, kUnknown_SkPixelGeometry))
+    : INHERITED(SkImageInfo::MakeUnknown(size.fWidth, size.fHeight),
+                SkSurfaceProps(0, kUnknown_SkPixelGeometry))
     , fWriter(writer)
     , fResourceBucket(new ResourceBucket)
-    , fSize(size) {
+{
     SkASSERT(writer);
 
     fWriter->writeHeader();
 
     // The root <svg> tag gets closed by the destructor.
     fRootElement.reset(new AutoElement("svg", fWriter));
 
     fRootElement->addAttribute("xmlns", "http://www.w3.org/2000/svg");
     fRootElement->addAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink");
     fRootElement->addAttribute("width", size.width());
     fRootElement->addAttribute("height", size.height());
 }
 
 SkSVGDevice::~SkSVGDevice() {
 }
 
-SkImageInfo SkSVGDevice::imageInfo() const {
-    SkImageInfo info = SkImageInfo::MakeUnknown(fSize.fWidth, fSize.fHeight);
-    return info;
-}
-
 void SkSVGDevice::drawPaint(const SkDraw& draw, const SkPaint& paint) {
     AutoElement rect("rect", fWriter, fResourceBucket, draw, paint);
     rect.addRectAttributes(SkRect::MakeWH(SkIntToScalar(this->width()),
                                           SkIntToScalar(this->height())));
 }
 
 void SkSVGDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode, size_t count,
                              const SkPoint pts[], const SkPaint& paint) {
     SkPath path;
 
@@ skipping 197 matching lines @@
                                const SkPaint& paint) {
     // todo
     SkDebugf("unsupported operation: drawVertices()\n");
 }
 
 void SkSVGDevice::drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
                              const SkPaint&) {
     // todo
     SkDebugf("unsupported operation: drawDevice()\n");
 }