FileWrapper[Impl] modifications and actually remove the "Impl" class.

webrtc/modules/audio_processing/transient/transient_detector_unittest.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 35 matching lines @@
 
     // Prepare detect file.
     std::stringstream detect_file_name;
     detect_file_name << "audio_processing/transient/detect"
                      << (sample_rate_hz / 1000) << "kHz";
 
     std::unique_ptr<FileWrapper> detect_file(FileWrapper::Create());
 
     detect_file->OpenFile(
         test::ResourcePath(detect_file_name.str(), "dat").c_str(),
-        true,    // Read only.
-        false,   // No loop.
-        false);  // No text.
+        true);  // Read only.
 
-    bool file_opened = detect_file->Open();
+    bool file_opened = detect_file->is_open();
     ASSERT_TRUE(file_opened) << "File could not be opened.\n"
           << detect_file_name.str().c_str();
 
     // Prepare audio file.
     std::stringstream audio_file_name;
     audio_file_name << "audio_processing/transient/audio"
                     << (sample_rate_hz / 1000) << "kHz";
 
     std::unique_ptr<FileWrapper> audio_file(FileWrapper::Create());
 
     audio_file->OpenFile(
         test::ResourcePath(audio_file_name.str(), "pcm").c_str(),
-        true,    // Read only.
-        false,   // No loop.
-        false);  // No text.
+        true);  // Read only.
 
     // Create detector.
     TransientDetector detector(sample_rate_hz);
 
     const size_t buffer_length = sample_rate_hz * ts::kChunkSizeMs / 1000;
     std::unique_ptr<float[]> buffer(new float[buffer_length]);
 
     const float kTolerance = 0.02f;
 
     size_t frames_read = 0;
@@ skipping 13 matching lines @@
       EXPECT_NEAR(file_value, detector_value, kTolerance) << "Frame: "
           << frames_read;
     }
 
     detect_file->CloseFile();
     audio_file->CloseFile();
   }
 }
 
 }  // namespace webrtc