[tracing] Fix MemoryDumpManager to support startup tracing

content/child/child_thread_impl.cc

 // Copyright (c) 2012 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 "content/child/child_thread_impl.h"
 
 #include <signal.h>
 
 #include <string>
 
@@ skipping 10 matching lines @@
 #include "base/metrics/field_trial.h"
 #include "base/process/process.h"
 #include "base/process/process_handle.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/synchronization/condition_variable.h"
 #include "base/synchronization/lock.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread_local.h"
-#include "base/trace_event/memory_dump_manager.h"
 #include "base/tracked_objects.h"
 #include "components/tracing/child_trace_message_filter.h"
 #include "content/child/child_discardable_shared_memory_manager.h"
 #include "content/child/child_gpu_memory_buffer_manager.h"
 #include "content/child/child_histogram_message_filter.h"
 #include "content/child/child_process.h"
 #include "content/child/child_resource_message_filter.h"
 #include "content/child/child_shared_bitmap_manager.h"
 #include "content/child/fileapi/file_system_dispatcher.h"
 #include "content/child/fileapi/webfilesystem_impl.h"
@@ skipping 446 matching lines @@
 #if defined(OS_ANDROID)
   g_quit_closure.Get().BindToMainThread();
 #endif
 
 #if defined(TCMALLOC_TRACE_MEMORY_SUPPORTED)
   trace_memory_controller_.reset(new base::trace_event::TraceMemoryController(
       message_loop_->task_runner(), ::HeapProfilerWithPseudoStackStart,
       ::HeapProfilerStop, ::GetHeapProfile));
 #endif
 
-  base::trace_event::MemoryDumpManager::GetInstance()->Initialize();
-
   shared_bitmap_manager_.reset(
       new ChildSharedBitmapManager(thread_safe_sender()));
 
   gpu_memory_buffer_manager_.reset(
       new ChildGpuMemoryBufferManager(thread_safe_sender()));
 
   discardable_shared_memory_manager_.reset(
       new ChildDiscardableSharedMemoryManager(thread_safe_sender()));
 }
 
@@ skipping 230 matching lines @@
 void ChildThreadImpl::EnsureConnected() {
   VLOG(0) << "ChildThreadImpl::EnsureConnected()";
   base::Process::Current().Terminate(0, false);
 }
 
 bool ChildThreadImpl::IsInBrowserProcess() const {
   return browser_process_io_runner_;
 }
 
 }  // namespace content