Removing old profiler files

When merging the change from Widevine's repo over to NYC,
some deletes were missed. This change removed the unused
classes profiler_session and stats.

The make file still had a reference to Stats, which was
likely due to a merge conflict.

Change-Id: Ic39baafab4bfd84e2b462f6749761c8a228244c7

libwvdrmengine/cdm/profiler/include/profiler_session.h

@@ -1,73 +0,0 @@
-// Copyright 2016 Google Inc. All Rights Reserved.
-
-#ifndef WVCDM_PROFILER_SESSION_H_
-#define WVCDM_PROFILER_SESSION_H_
-
-#include <map>
-#include <stddef.h>
-#include <stdint.h>
-#include <vector>
-
-#include "circular_buffer.h"
-#include "entry_writer.h"
-#include "oem_functions.h"
-#include "stats.h"
-
-namespace wvcdm {
-namespace oemprofiler {
-
-class ProfilerSession {
-
- public:
-  ProfilerSession();
-
-  void Submit(
-      OEM_FUNCTION fid,
-      uint64_t start_time,
-      uint64_t end_time,
-      const uint8_t* meta_data,
-      size_t meta_data_length);
-
-  // clear all samples and stats
-  void Clear();
-
-  void ReadHistory(std::vector<uint8_t>& output) const;
-
-  void ReadAllStats(std::vector<uint8_t>& output) const;
-  const Stat& ReadStat(OEM_FUNCTION fid) const;
-
-  static void Open(int64_t sid);
-  static void Close(int64_t sid);
-
-  static ProfilerSession* Find(int64_t sid);
-
- private:
-  Stat stats_[OEM_FUNCTION_COUNT];
-
-  CircularBuffer buffer_;
-
-  uint64_t time_at_head_;
-  uint64_t time_at_tail_;
-
-  bool RequestSpace(uint8_t num_bytes);
-
-  bool ReadNextEntryRealEndTime(uint64_t* output);
-
-  bool DropLastEntry();
-
-  // Read a variable length value. This is the read that matches
-  // EntryWriter's WriteVLV.
-  int ReadVLV(size_t offset, uint64_t* output) const;
-
-  ProfilerSession(const ProfilerSession&);
-  void operator=(const ProfilerSession&);
-
-  static uint8_t GetByte(uint64_t value, size_t byte_index);
-
-  static std::map<int64_t, ProfilerSession*> sessions_;
-};
-
-}  // namespace oemprofiler
-}  // namespace wvcdm
-
-#endif

libwvdrmengine/cdm/profiler/include/stats.h

@@ -1,40 +0,0 @@
-// Copyright 2016 Google Inc. All Rights Reserved.
-
-#ifndef WVCDM_PROFILER_STATS_H_
-#define WVCDM_PROFILER_STATS_H_
-
-#include <stdint.h>
-
-namespace wvcdm {
-namespace oemprofiler {
-
-class Stat {
- public:
-  Stat();
-
-  void Update(uint64_t sample);
-  void Reset();
-
-  uint64_t GetMin() const;
-  uint64_t GetMax() const;
-  uint64_t GetSampleSize() const;
-  double GetMean() const;
-  double GetVariance() const;
-
- private:
-  uint64_t min_;
-  uint64_t max_;
-  double mean_;
-  uint64_t count_;
-
-  double sdev_m_;
-  double sdev_s_;
-
-  Stat(const Stat&);
-  void operator=(const Stat&);
-};
-
-}    // namespace oemprofiler
-}    // namespace wvcdm
-
-#endif