Add MemoryCoordinator

content/browser/browser_main_loop.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/browser/browser_main_loop.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 18 matching lines @@
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/system_monitor/system_monitor.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/timer/hi_res_timer_manager.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
+#include "components/memory_coordinator/browser/memory_state_notifier.h"
 #include "components/tracing/browser/trace_config_file.h"
 #include "components/tracing/common/process_metrics_memory_dump_provider.h"
 #include "components/tracing/common/trace_to_console.h"
 #include "components/tracing/common/tracing_switches.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/device_sensors/device_inertial_sensor_service.h"
 #include "content/browser/dom_storage/dom_storage_area.h"
 #include "content/browser/download/save_file_manager.h"
 #include "content/browser/gamepad/gamepad_service.h"
 #include "content/browser/gpu/browser_gpu_channel_host_factory.h"
@@ skipping 622 matching lines @@
     base::MessageLoop::current()->AddTaskObserver(memory_observer_.get());
   }
 
   if (parsed_command_line_.HasSwitch(
           switches::kEnableAggressiveDOMStorageFlushing)) {
     TRACE_EVENT0("startup",
                  "BrowserMainLoop::Subsystem:EnableAggressiveCommitDelay");
     DOMStorageArea::EnableAggressiveCommitDelay();
   }
 
+  if (parsed_command_line_.HasSwitch(
+          switches::kEnableMemoryCoordinator)) {
+    memory_state_notifier_.reset(new memory_coordinator::MemoryStateNotifier);
+  }
+
   // Enable memory-infra dump providers.
   InitSkiaEventTracer();
   tracing::ProcessMetricsMemoryDumpProvider::RegisterForProcess(
       base::kNullProcessId);
   base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
       HostSharedBitmapManager::current(), "HostSharedBitmapManager", nullptr);
   base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
       skia::SkiaMemoryDumpProvider::GetInstance(), "Skia", nullptr);
   base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
       sql::SqlMemoryDumpProvider::GetInstance(), "Sql", nullptr);
@@ skipping 298 matching lines @@
                  "BrowserMainLoop::Subsystem:ResourceDispatcherHost");
     resource_dispatcher_host_->Shutdown();
   }
   // Request shutdown to clean up allocated resources on the IO thread.
   if (midi_manager_) {
     TRACE_EVENT0("shutdown", "BrowserMainLoop::Subsystem:MidiManager");
     midi_manager_->Shutdown();
   }
 
   memory_pressure_monitor_.reset();
+  memory_state_notifier_.reset();
 
 #if defined(OS_MACOSX)
   BrowserCompositorMac::DisableRecyclingForShutdown();
 #endif
 
 #if defined(USE_AURA) || defined(OS_MACOSX)
   {
     TRACE_EVENT0("shutdown",
                  "BrowserMainLoop::Subsystem:ImageTransportFactory");
     ImageTransportFactory::Terminate();
@@ skipping 495 matching lines @@
                                                  std::move(worker_task_runner),
                                                  MediaInternals::GetInstance());
   }
   CHECK(audio_manager_);
 
   if (use_hang_monitor)
     media::AudioManager::StartHangMonitor(io_thread_->task_runner());
 }
 
 }  // namespace content