Change name of files and class in agc/histogram* in order to avoid file-name clash.

webrtc/modules/audio_processing/agc/histogram_unittest.cc

Index: webrtc/modules/audio_processing/agc/histogram_unittest.cc
diff --git a/webrtc/modules/audio_processing/agc/histogram_unittest.cc b/webrtc/modules/audio_processing/agc/histogram_unittest.cc
deleted file mode 100644
index d00600cc97c408989ec6c45ae94897fa20b1a73d..0000000000000000000000000000000000000000
--- a/webrtc/modules/audio_processing/agc/histogram_unittest.cc
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- *  Copyright (c) 2012 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.
- */
-
-// Use CreateHistUnittestFile.m to generate the input file.
-
-#include "webrtc/modules/audio_processing/agc/histogram.h"
-
-#include <stdio.h>
-#include <cmath>
-#include <memory>
-
-#include "gtest/gtest.h"
-#include "webrtc/test/testsupport/fileutils.h"
-#include "webrtc/modules/audio_processing/agc/utility.h"
-
-namespace webrtc {
-
-struct InputOutput {
-  double rms;
-  double activity_probability;
-  double audio_content;
-  double loudness;
-};
-
-const double kRelativeErrTol = 1e-10;
-
-class HistogramTest : public ::testing::Test {
- protected:
-  void RunTest(bool enable_circular_buff,
-               const char* filename);
-
- private:
-  void TestClean();
-  std::unique_ptr<Histogram> hist_;
-};
-
-void HistogramTest::TestClean() {
-  EXPECT_EQ(hist_->CurrentRms(), 7.59621091765857e-02);
-  EXPECT_EQ(hist_->AudioContent(), 0);
-  EXPECT_EQ(hist_->num_updates(), 0);
-}
-
-void HistogramTest::RunTest(bool enable_circular_buff, const char* filename) {
-  FILE* in_file = fopen(filename, "rb");
-  ASSERT_TRUE(in_file != NULL);
-  if (enable_circular_buff) {
-    int buffer_size;
-    EXPECT_EQ(fread(&buffer_size, sizeof(buffer_size), 1, in_file), 1u);
-    hist_.reset(Histogram::Create(buffer_size));
-  } else {
-    hist_.reset(Histogram::Create());
-  }
-  TestClean();
-
-  InputOutput io;
-  int num_updates = 0;
-  int num_reset = 0;
-  while (fread(&io, sizeof(InputOutput), 1, in_file) == 1) {
-    if (io.rms < 0) {
-      // We have to reset.
-      hist_->Reset();
-      TestClean();
-      num_updates = 0;
-      num_reset++;
-      // Read the next chunk of input.
-      if (fread(&io, sizeof(InputOutput), 1, in_file) != 1)
-        break;
-    }
-    hist_->Update(io.rms, io.activity_probability);
-    num_updates++;
-    EXPECT_EQ(hist_->num_updates(), num_updates);
-    double audio_content = hist_->AudioContent();
-
-    double abs_err = std::min(audio_content, io.audio_content) *
-        kRelativeErrTol;
-
-    ASSERT_NEAR(audio_content, io.audio_content, abs_err);
-    double current_loudness = Linear2Loudness(hist_->CurrentRms());
-    abs_err = std::min(fabs(current_loudness), fabs(io.loudness)) *
-        kRelativeErrTol;
-    ASSERT_NEAR(current_loudness, io.loudness, abs_err);
-  }
-  fclose(in_file);
-}
-
-TEST_F(HistogramTest, ActiveCircularBuffer) {
-  RunTest(true,
-          test::ResourcePath("audio_processing/agc/agc_with_circular_buffer",
-                             "dat").c_str());
-}
-
-TEST_F(HistogramTest, InactiveCircularBuffer) {
-  RunTest(false,
-          test::ResourcePath("audio_processing/agc/agc_no_circular_buffer",
-                             "dat").c_str());
-}
-
-}  // namespace webrtc