Deprecate more old filepath functions.

printing/image.cc

 // Copyright (c) 2009 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 "base/file_util.h"
 #include "base/md5.h"
 #include "base/string_util.h"
 #include "gfx/codec/png_codec.h"
@@ skipping 42 matching lines @@
  private:
   bool enable_again_;
 
   DISALLOW_COPY_AND_ASSIGN(DisableFontSmoothing);
 };
 
 }  // namespace
 
 namespace printing {
 
-Image::Image(const std::wstring& filename)
+Image::Image(const FilePath& path)
     : row_length_(0),
       ignore_alpha_(true) {
   std::string data;
-  file_util::ReadFileToString(filename, &data);
-  std::wstring ext = file_util::GetFileExtensionFromPath(filename);
+  file_util::ReadFileToString(path, &data);
   bool success = false;
-  if (LowerCaseEqualsASCII(ext, "png")) {
+  if (path.MatchesExtension(FILE_PATH_LITERAL(".png"))) {
     success = LoadPng(data);
-  } else if (LowerCaseEqualsASCII(ext, "emf")) {
+  } 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();
   }
 }
@@ skipping 171 matching lines @@
                         true, false, false, false);
   }
 #else
   NOTIMPLEMENTED();
 #endif
 
   return false;
 }
 
 }  // namespace printing