[tracing] Add memory dump config to TraceConfig

base/trace_event/memory_dump_manager.cc

 // Copyright 2015 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/trace_event/memory_dump_manager.h"
 
 #include <algorithm>
 
 #include "base/atomic_sequence_num.h"
 #include "base/command_line.h"
@@ skipping 20 matching lines @@
 
 #if defined(OS_WIN)
 #include "base/trace_event/winheap_dump_provider_win.h"
 #endif
 
 namespace base {
 namespace trace_event {
 
 namespace {
 
-// TODO(primiano): this should be smarter and should do something similar to
-// trace event synthetic delays.
-const char kTraceCategory[] = TRACE_DISABLED_BY_DEFAULT("memory-infra");
-
 // Throttle mmaps at a rate of once every kHeavyMmapsDumpsRate standard dumps.
 const int kHeavyDumpsRate = 8;  // 250 ms * 8 = 2000 ms.
 const int kDumpIntervalMs = 250;
 const int kTraceEventNumArgs = 1;
 const char* kTraceEventArgNames[] = {"dumps"};
 const unsigned char kTraceEventArgTypes[] = {TRACE_VALUE_TYPE_CONVERTABLE};
 
 StaticAtomicSequenceNumber g_next_guid;
 uint32 g_periodic_dumps_count = 0;
 MemoryDumpManager* g_instance_for_testing = nullptr;
 
 void RequestPeriodicGlobalDump() {
   MemoryDumpArgs::LevelOfDetail dump_level_of_detail =
       g_periodic_dumps_count == 0 ? MemoryDumpArgs::LevelOfDetail::HIGH
                                   : MemoryDumpArgs::LevelOfDetail::LOW;
   if (++g_periodic_dumps_count == kHeavyDumpsRate)
     g_periodic_dumps_count = 0;
 
   MemoryDumpArgs dump_args = {dump_level_of_detail};
   MemoryDumpManager::GetInstance()->RequestGlobalDump(
       MemoryDumpType::PERIODIC_INTERVAL, dump_args);
 }
 
 }  // namespace
 
 // static
-const char* const MemoryDumpManager::kTraceCategoryForTesting = kTraceCategory;
+const char* const MemoryDumpManager::kTraceCategory =
+    TRACE_DISABLED_BY_DEFAULT("memory-infra");
 
 // static
 const int MemoryDumpManager::kMaxConsecutiveFailuresCount = 3;
 
 // static
 const uint64 MemoryDumpManager::kInvalidTracingProcessId = 0;
 
 // static
 MemoryDumpManager* MemoryDumpManager::GetInstance() {
   if (g_instance_for_testing)
@@ skipping 394 matching lines @@
       next_dump_provider(next_dump_provider),
       callback(callback),
       task_runner(MessageLoop::current()->task_runner()) {
 }
 
 MemoryDumpManager::ProcessMemoryDumpAsyncState::~ProcessMemoryDumpAsyncState() {
 }
 
 }  // namespace trace_event
 }  // namespace base