[Memory-UMA] Implement basic working prototype.

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 779 matching lines @@
   }
 
   if (parsed_command_line_.HasSwitch(
           switches::kEnableAggressiveDOMStorageFlushing)) {
     TRACE_EVENT0("startup",
                  "BrowserMainLoop::Subsystem:EnableAggressiveCommitDelay");
     DOMStorageArea::EnableAggressiveCommitDelay();
     LevelDBWrapperImpl::EnableAggressiveCommitDelay();
   }
 
-  // Create the memory instrumentation service. It will initialize the memory
-  // dump manager, too. It makes sense that BrowserMainLoop owns the service;
-  // this way, the service is alive for the lifetime of Mojo. Mojo is shutdown
-  // in BrowserMainLoop::ShutdownThreadsAndCleanupIO.
-  memory_instrumentation_coordinator_ =
-      base::MakeUnique<memory_instrumentation::CoordinatorImpl>(
-          true /* initialize_memory_dump_manager */);
-
   // Enable memory-infra dump providers.
   InitSkiaEventTracer();
   tracing::ProcessMetricsMemoryDumpProvider::RegisterForProcess(
       base::kNullProcessId);
   base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
       display_compositor::HostSharedBitmapManager::current(),
       "display_compositor::HostSharedBitmapManager", nullptr);
   base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
       skia::SkiaMemoryDumpProvider::GetInstance(), "Skia", nullptr);
   base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
@@ skipping 574 matching lines @@
 }
 
 int BrowserMainLoop::BrowserThreadsStarted() {
   TRACE_EVENT0("startup", "BrowserMainLoop::BrowserThreadsStarted");
 
   // Bring up Mojo IPC and the embedded Service Manager as early as possible.
   // Initializaing mojo requires the IO thread to have been initialized first,
   // so this cannot happen any earlier than now.
   InitializeMojo();
 
+  // Create the memory instrumentation service. It will initialize the memory
+  // dump manager, too. It makes sense that BrowserMainLoop owns the service;
+  // this way, the service is alive for the lifetime of Mojo. Mojo is shutdown
+  // in BrowserMainLoop::ShutdownThreadsAndCleanupIO.
+  memory_instrumentation_coordinator_ =
+      base::MakeUnique<memory_instrumentation::CoordinatorImpl>(
+          true /* initialize_memory_dump_manager */,
+          content::ServiceManagerConnection::GetForProcess()->GetConnector());
+
 #if defined(USE_AURA)
   if (service_manager::ServiceManagerIsRemote()) {
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kIsRunningInMash);
   }
 #endif
 
   indexed_db_thread_.reset(new base::Thread("IndexedDB"));
   indexed_db_thread_->Start();
 
@@ skipping 363 matching lines @@
         BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE),
         MediaInternals::GetInstance());
   }
   CHECK(audio_manager_);
 
   audio_system_ = media::AudioSystemImpl::Create(audio_manager_.get());
   CHECK(audio_system_);
 }
 
 }  // namespace content