Revert of Android: Add support for TraceEvent before the native library is loaded.

base/android/early_trace_event_binding.cc

-// Copyright 2016 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 "base/android/early_trace_event_binding.h"
-
-#include <stdint.h>
-
-#include "base/android/jni_string.h"
-#include "base/time/time.h"
-#include "base/trace_event/trace_event.h"
-#include "jni/EarlyTraceEvent_jni.h"
-
-namespace base {
-namespace android {
-
-const char kEarlyJavaCategory[] = "EarlyJava";
-
-static jlong GetTimeTicksNowUs(JNIEnv* env, const JavaParamRef<jclass>& clazz) {
-  return TimeTicks::Now().ToInternalValue();
-}
-
-static void RecordEarlyEvent(JNIEnv* env,
-                             const JavaParamRef<jclass>& clazz,
-                             const JavaParamRef<jstring>& jname,
-                             jlong begin_time_ms,
-                             jlong end_time_ms,
-                             jint thread_id) {
-  std::string name = ConvertJavaStringToUTF8(env, jname);
-  int64_t begin_us = begin_time_ms * 1000;
-  int64_t end_us = end_time_ms * 1000;
-
-  INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP(
-      TRACE_EVENT_PHASE_BEGIN, kEarlyJavaCategory, name.c_str(),
-      trace_event_internal::kNoId, thread_id, begin_us, TRACE_EVENT_FLAG_COPY);
-  INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP(
-      TRACE_EVENT_PHASE_END, kEarlyJavaCategory, name.c_str(),
-      trace_event_internal::kNoId, thread_id, end_us, TRACE_EVENT_FLAG_COPY);
-}
-
-bool RegisterEarlyTraceEvent(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-}  // namespace android
-}  // namespace base