Move third_party/libjingle/overrides to third_party/webrtc_overrides

third_party/libjingle/overrides/init_webrtc.cc

-// Copyright 2013 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 "init_webrtc.h"
-
-#include "base/command_line.h"
-#include "base/files/file_path.h"
-#include "base/files/file_util.h"
-#include "base/logging.h"
-#include "base/metrics/histogram.h"
-#include "base/native_library.h"
-#include "base/path_service.h"
-#include "base/trace_event/trace_event.h"
-#include "third_party/webrtc/base/event_tracer.h"
-#include "third_party/webrtc/system_wrappers/include/cpu_info.h"
-#include "third_party/webrtc_overrides/webrtc/base/logging.h"
-
-const unsigned char* GetCategoryGroupEnabled(const char* category_group) {
-  return TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED(category_group);
-}
-
-void AddTraceEvent(char phase,
-                   const unsigned char* category_group_enabled,
-                   const char* name,
-                   unsigned long long id,
-                   int num_args,
-                   const char** arg_names,
-                   const unsigned char* arg_types,
-                   const unsigned long long* arg_values,
-                   unsigned char flags) {
-  TRACE_EVENT_API_ADD_TRACE_EVENT(
-      phase, category_group_enabled, name, trace_event_internal::kGlobalScope,
-      id, num_args, arg_names, arg_types, arg_values, NULL, flags);
-}
-
-namespace webrtc {
-
-// Define webrtc::metrics functions to provide webrtc with implementations.
-namespace metrics {
-
-// This class doesn't actually exist, so don't go looking for it :)
-// This type is just fwd declared here in order to use it as an opaque type
-// between the Histogram functions in this file.
-class Histogram;
-
-Histogram* HistogramFactoryGetCounts(
-    const std::string& name, int min, int max, int bucket_count) {
-  return reinterpret_cast<Histogram*>(
-      base::Histogram::FactoryGet(name, min, max, bucket_count,
-          base::HistogramBase::kUmaTargetedHistogramFlag));
-}
-
-Histogram* HistogramFactoryGetEnumeration(
-    const std::string& name, int boundary) {
-  return reinterpret_cast<Histogram*>(
-      base::LinearHistogram::FactoryGet(name, 1, boundary, boundary + 1,
-          base::HistogramBase::kUmaTargetedHistogramFlag));
-}
-
-void HistogramAdd(
-    Histogram* histogram_pointer, const std::string& name, int sample) {
-  base::HistogramBase* ptr =
-      reinterpret_cast<base::HistogramBase*>(histogram_pointer);
-  // The name should not vary.
-  DCHECK(ptr->histogram_name() == name);
-  ptr->Add(sample);
-}
-}  // namespace metrics
-}  // namespace webrtc
-
-bool InitializeWebRtcModule() {
-  // Workaround for crbug.com/176522
-  // On Linux, we can't fetch the number of cores after the sandbox has been
-  // initialized, so we call DetectNumberOfCores() here, to cache the value.
-  webrtc::CpuInfo::DetectNumberOfCores();
-  webrtc::SetupEventTracer(&GetCategoryGroupEnabled, &AddTraceEvent);
-  return true;
-}