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

src/core/SkDevice.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 "SkColorFilter.h"
 #include "SkDevice.h"
 #include "SkDraw.h"
 #include "SkDrawFilter.h"
 #include "SkImage_Base.h"
 #include "SkImageFilter.h"
 #include "SkImageFilterCache.h"
 #include "SkImagePriv.h"
 #include "SkLatticeIter.h"
 #include "SkMetaData.h"
 #include "SkPatchUtils.h"
 #include "SkPathMeasure.h"
 #include "SkRasterClip.h"
 #include "SkRSXform.h"
 #include "SkShader.h"
 #include "SkSpecialImage.h"
 #include "SkTextBlobRunIterator.h"
 #include "SkTextToPathIter.h"
 
-SkBaseDevice::SkBaseDevice(const SkSurfaceProps& surfaceProps) : fSurfaceProps(surfaceProps) {
+SkBaseDevice::SkBaseDevice(const SkImageInfo& info, const SkSurfaceProps& surfaceProps)
+    : fInfo(info)
+    , fSurfaceProps(surfaceProps)
+{
     fOrigin.setZero();
     fMetaData = nullptr;
 }
 
 SkBaseDevice::~SkBaseDevice() { delete fMetaData; }
 
 SkMetaData& SkBaseDevice::getMetaData() {
     // metadata users are rare, so we lazily allocate it. If that changes we
     // can decide to just make it a field in the device (rather than a ptr)
     if (nullptr == fMetaData) {
         fMetaData = new SkMetaData;
     }
     return *fMetaData;
 }
 
-SkImageInfo SkBaseDevice::imageInfo() const {
-    return SkImageInfo::MakeUnknown();
-}
-
 #ifdef SK_SUPPORT_LEGACY_ACCESSBITMAP
 const SkBitmap& SkBaseDevice::accessBitmap(bool changePixels) {
     const SkBitmap& bitmap = this->onAccessBitmap();
     if (changePixels) {
         bitmap.notifyPixelsChanged();
     }
     return bitmap;
 }
 #endif
 
@@ skipping 492 matching lines @@
 
     // Also log filter quality independent scale factor.
     SK_HISTOGRAM_ENUMERATION("DrawScaleFactor.AnyFilterQuality", scaleFactor,
                              kLast_ScaleFactor + 1);
 
     // Also log an overall histogram of filter quality.
     SK_HISTOGRAM_ENUMERATION("FilterQuality", filterQuality, kLast_SkFilterQuality + 1);
 #endif
 }