Remove unused libpeerconnection code.

third_party/libjingle/overrides/initialize_module.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.
-
-#if defined(OS_WIN) && defined(ARCH_CPU_X86_64)
-#include <math.h> // needed for _set_FMA3_enable
-#endif  // WIN && ARCH_CPU_X86_64
-
-#include "base/command_line.h"
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "third_party/libjingle/source/talk/media/webrtc/webrtcmediaengine.h"
-#include "third_party/libjingle/allocator_shim/allocator_stub.h"
-#include "third_party/libjingle/overrides/init_webrtc.h"
-#include "third_party/webrtc/base/basictypes.h"
-#include "third_party/webrtc/base/logging.h"
-
-#if !defined(LIBPEERCONNECTION_IMPLEMENTATION) || defined(LIBPEERCONNECTION_LIB)
-#error "Only compile the allocator proxy with the shared_library implementation"
-#endif
-
-#if defined(OS_WIN)
-#define ALLOC_EXPORT __declspec(dllexport)
-#else
-#define ALLOC_EXPORT __attribute__((visibility("default")))
-#endif
-
-#if !defined(OS_MACOSX) && !defined(OS_ANDROID)
-// These are used by our new/delete overrides in
-// allocator_shim/allocator_proxy.cc
-AllocateFunction g_alloc = NULL;
-DellocateFunction g_dealloc = NULL;
-#endif
-
-// Forward declare of the libjingle internal factory and destroy methods for the
-// WebRTC media engine.
-cricket::MediaEngineInterface* CreateWebRtcMediaEngine(
-    webrtc::AudioDeviceModule* adm,
-    webrtc::AudioDeviceModule* adm_sc,
-    cricket::WebRtcVideoEncoderFactory* encoder_factory,
-    cricket::WebRtcVideoDecoderFactory* decoder_factory);
-
-void DestroyWebRtcMediaEngine(cricket::MediaEngineInterface* media_engine);
-
-namespace {
-// Provide webrtc with a field trial and metrics implementations.
-// The implementations are provided by the loader via the InitializeModule.
-
-// Defines webrtc::field_trial::FindFullName.
-FieldTrialFindFullName g_field_trial_find_ = NULL;
-// Defines webrtc::metrics::RtcFactoryGetCounts.
-RtcHistogramFactoryGetCounts g_factory_get_counts = NULL;
-// Defines webrtc::metrics::RtcFactoryGetEnumeration.
-RtcHistogramFactoryGetEnumeration g_factory_get_enumeration = NULL;
-// Defines webrtc::metrics::RtcAdd.
-RtcHistogramAdd g_histogram_add = NULL;
-}
-
-namespace webrtc {
-namespace field_trial {
-std::string FindFullName(const std::string& trial_name) {
-  return g_field_trial_find_(trial_name);
-}
-}  // namespace field_trial
-
-namespace metrics {
-Histogram* HistogramFactoryGetCounts(
-    const std::string& name, int min, int max, int bucket_count) {
-  return g_factory_get_counts(name, min, max, bucket_count);
-}
-
-Histogram* HistogramFactoryGetEnumeration(
-    const std::string& name, int boundary) {
-  return g_factory_get_enumeration(name, boundary);
-}
-
-void HistogramAdd(
-    Histogram* histogram_pointer, const std::string& name, int sample) {
-  g_histogram_add(histogram_pointer, name, sample);
-}
-}  // namespace metrics
-}  // namespace webrtc
-
-extern "C" {
-
-// Initialize logging, set the forward allocator functions (not on mac), and
-// return pointers to libjingle's WebRTC factory methods.
-// Called from init_webrtc.cc.
-ALLOC_EXPORT
-bool InitializeModule(const base::CommandLine& command_line,
-#if !defined(OS_MACOSX) && !defined(OS_ANDROID)
-                      AllocateFunction alloc,
-                      DellocateFunction dealloc,
-#endif
-                      FieldTrialFindFullName field_trial_find,
-                      RtcHistogramFactoryGetCounts factory_get_counts,
-                      RtcHistogramFactoryGetEnumeration factory_get_enumeration,
-                      RtcHistogramAdd histogram_add,
-                      logging::LogMessageHandlerFunction log_handler,
-                      webrtc::GetCategoryEnabledPtr trace_get_category_enabled,
-                      webrtc::AddTraceEventPtr trace_add_trace_event,
-                      CreateWebRtcMediaEngineFunction* create_media_engine,
-                      DestroyWebRtcMediaEngineFunction* destroy_media_engine,
-                      InitDiagnosticLoggingDelegateFunctionFunction*
-                          init_diagnostic_logging) {
-#if !defined(OS_MACOSX) && !defined(OS_ANDROID)
-  g_alloc = alloc;
-  g_dealloc = dealloc;
-#endif
-
-  g_field_trial_find_ = field_trial_find;
-  g_factory_get_counts = factory_get_counts;
-  g_factory_get_enumeration = factory_get_enumeration;
-  g_histogram_add = histogram_add;
-
-  *create_media_engine = &CreateWebRtcMediaEngine;
-  *destroy_media_engine = &DestroyWebRtcMediaEngine;
-  *init_diagnostic_logging = &rtc::InitDiagnosticLoggingDelegateFunction;
-
-#if defined(OS_WIN) && defined(ARCH_CPU_X86_64)
-  // VS2013 only checks the existence of FMA3 instructions, not the enabled-ness
-  // of them at the OS level (this is fixed in VS2015). We force off usage of
-  // FMA3 instructions in the CRT to avoid using that path and hitting illegal
-  // instructions when running on CPUs that support FMA3, but OSs that don't.
-  // See http://crbug.com/436603 and http://crbug.com/446983.
-  _set_FMA3_enable(0);
-#endif  // WIN && ARCH_CPU_X86_64
-
-  if (base::CommandLine::Init(0, NULL)) {
-#if !defined(OS_WIN)
-    // This is not needed on Windows since CommandLine::Init has already
-    // done the equivalent thing via the GetCommandLine() API.
-    base::CommandLine::ForCurrentProcess()->AppendArguments(command_line, true);
-#endif
-    logging::LoggingSettings settings;
-    settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
-    logging::InitLogging(settings);
-
-    // Override the log message handler to forward logs to chrome's handler.
-    logging::SetLogMessageHandler(log_handler);
-    webrtc::SetupEventTracer(trace_get_category_enabled,
-                             trace_add_trace_event);
-  }
-
-  return true;
-}
-}  // extern "C"