printing::Image: remove unused constructor

printing/image.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "printing/image.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 
 #include "base/files/file_util.h"
 #include "base/md5.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/strings/string_number_conversions.h"
 #include "printing/metafile.h"
-#include "printing/pdf_metafile_skia.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/codec/png_codec.h"
 
 namespace printing {
 
-Image::Image(const base::FilePath& path)
-    : row_length_(0),
-      ignore_alpha_(true) {
-  std::string data;
-  base::ReadFileToString(path, &data);
-  bool success = false;
-  if (path.MatchesExtension(FILE_PATH_LITERAL(".png"))) {
-    success = LoadPng(data);
-  } else if (path.MatchesExtension(FILE_PATH_LITERAL(".emf"))) {
-    success = LoadMetafile(data);
-  } else {
-    DCHECK(false);
-  }
-  if (!success) {
-    size_.SetSize(0, 0);
-    row_length_ = 0;
-    data_.clear();
-  }
-}
-
 Image::Image(const Metafile& metafile)
     : row_length_(0),
       ignore_alpha_(true) {
   LoadMetafile(metafile);
 }
 
 Image::Image(const Image& image)
     : size_(image.size_),
       row_length_(image.row_length_),
       data_(image.data_),
@@ skipping 91 matching lines @@
   int w;
   int h;
   bool success = gfx::PNGCodec::Decode(
       reinterpret_cast<const unsigned char*>(compressed.c_str()),
       compressed.size(), gfx::PNGCodec::FORMAT_BGRA, &data_, &w, &h);
   size_.SetSize(w, h);
   row_length_ = size_.width() * sizeof(uint32_t);
   return success;
 }
 
-bool Image::LoadMetafile(const std::string& data) {
-  DCHECK(!data.empty());
-  PdfMetafileSkia metafile;
-  if (!metafile.InitFromData(data.data(),
-                             base::checked_cast<uint32_t>(data.size())))
-    return false;
-  return LoadMetafile(metafile);
-}
-
 }  // namespace printing