[memory-infra] MemoryDumpScheduler follows config for time between dumps

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 <utility>
 
 #include "base/allocator/features.h"
@@ skipping 496 matching lines @@
     // NACK the dump.
     pmd_async_state.reset(new ProcessMemoryDumpAsyncState(
         args, dump_providers_, session_state_, callback,
         dump_thread_ ? dump_thread_->task_runner() : nullptr));
 
     // Safety check to prevent reaching here without calling RequestGlobalDump,
     // with disallowed modes. If |session_state_| is null then tracing is
     // disabled.
     CHECK(!session_state_ ||
           session_state_->IsDumpModeAllowed(args.level_of_detail));
+
+    if (dump_scheduler_)
+      dump_scheduler_->NotifyDumpTriggered();
   }
 
   TRACE_EVENT_WITH_FLOW0(kTraceCategory, "MemoryDumpManager::CreateProcessDump",
                          TRACE_ID_MANGLE(args.dump_guid),
                          TRACE_EVENT_FLAG_FLOW_OUT);
 
   // Start the process dump. This involves task runner hops as specified by the
   // MemoryDumpProvider(s) in RegisterDumpProvider()).
   SetupNextMemoryDump(std::move(pmd_async_state));
 }
@@ skipping 438 matching lines @@
   if (iter == process_dumps.end()) {
     std::unique_ptr<ProcessMemoryDump> new_pmd(
         new ProcessMemoryDump(session_state, dump_args));
     iter = process_dumps.insert(std::make_pair(pid, std::move(new_pmd))).first;
   }
   return iter->second.get();
 }
 
 }  // namespace trace_event
 }  // namespace base