Remove uses of SkImageDecoder from samplecode

samplecode/SamplePictFile.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 "DecodeFile.h"
 #include "SampleCode.h"
 #include "SkDumpCanvas.h"
 #include "SkView.h"
 #include "SkCanvas.h"
 #include "SkGradientShader.h"
 #include "SkGraphics.h"
-#include "SkImageDecoder.h"
 #include "SkOSFile.h"
 #include "SkPath.h"
 #include "SkPicture.h"
 #include "SkPictureRecorder.h"
 #include "SkRandom.h"
 #include "SkRegion.h"
 #include "SkShader.h"
 #include "SkUtils.h"
 #include "SkColorPriv.h"
 #include "SkColorFilter.h"
@@ skipping 121 matching lines @@
     SkString    fFilename;
     SkPicture*  fPictures[kBBoxTypeCount];
     BBoxType    fBBox;
     SkSize      fTileSize;
     int         fCount;
 
     sk_sp<SkPicture> LoadPicture(const char path[], BBoxType bbox) {
         sk_sp<SkPicture> pic;
 
         SkBitmap bm;
-        if (SkImageDecoder::DecodeFile(path, &bm)) {
+        if (decode_file(path, &bm)) {
             bm.setImmutable();
             SkPictureRecorder recorder;
             SkCanvas* can = recorder.beginRecording(SkIntToScalar(bm.width()),
                                                     SkIntToScalar(bm.height()),
                                                     nullptr, 0);
             can->drawBitmap(bm, 0, 0, nullptr);
             pic = recorder.finishRecordingAsPicture();
         } else {
             SkFILEStream stream(path);
             if (stream.isValid()) {
@@ skipping 46 matching lines @@
 SampleView* CreateSamplePictFileView(const char filename[]) {
     return new PictFileView(filename);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 #if 0
 static SkView* MyFactory() { return new PictFileView; }
 static SkViewRegister reg(MyFactory);
 #endif