Remove the in-process PDF viewer from pdf/

pdf/number_image_generator.h

-// Copyright (c) 2012 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.
-
-#ifndef PDF_NUMBER_IMAGE_GENERATOR_H
-#define PDF_NUMBER_IMAGE_GENERATOR_H
-
-#include <vector>
-
-#include "ppapi/cpp/image_data.h"
-
-namespace chrome_pdf {
-
-class Instance;
-
-class NumberImageGenerator {
- public:
-  explicit NumberImageGenerator(Instance* instance);
-  virtual ~NumberImageGenerator();
-
-  void Configure(const pp::ImageData& number_background,
-                 const std::vector<pp::ImageData>& number_images,
-                 float device_scale);
-
-  void GenerateImage(int page_number, pp::ImageData* image);
-
- private:
-  Instance* instance_;
-  pp::ImageData number_background_;
-  std::vector<pp::ImageData> number_images_;
-  float device_scale_;
-};
-
-}  // namespace chrome_pdf
-
-#endif  // PDF_NUMBER_IMAGE_GENERATOR_H
-