[tracing] Introduce MemoryDumpArgs to enable light and heavy dumps

base/trace_event/process_memory_totals_dump_provider.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/process_memory_totals_dump_provider.h"
 
 #include "base/process/process_metrics.h"
 #include "base/trace_event/process_memory_dump.h"
 #include "base/trace_event/process_memory_totals.h"
 
@@ skipping 35 matching lines @@
 
 ProcessMemoryTotalsDumpProvider::ProcessMemoryTotalsDumpProvider()
     : process_metrics_(CreateProcessMetricsForCurrentProcess()) {
 }
 
 ProcessMemoryTotalsDumpProvider::~ProcessMemoryTotalsDumpProvider() {
 }
 
 // Called at trace dump point time. Creates a snapshot the memory counters for
 // the current process.
-bool ProcessMemoryTotalsDumpProvider::OnMemoryDump(ProcessMemoryDump* pmd) {
+bool ProcessMemoryTotalsDumpProvider::OnMemoryDump(const MemoryDumpArgs& args,
+                                                   ProcessMemoryDump* pmd) {
   const uint64 rss_bytes = rss_bytes_for_testing
                                ? rss_bytes_for_testing
                                : process_metrics_->GetWorkingSetSize();
 
   uint64 peak_rss_bytes = 0;
 
 #if !defined(OS_IOS)
   peak_rss_bytes = process_metrics_->GetPeakWorkingSetSize();
 #if defined(OS_LINUX) || defined(OS_ANDROID)
   if (kernel_supports_rss_peak_reset) {
@@ skipping 17 matching lines @@
     pmd->process_totals()->set_peak_resident_set_bytes(peak_rss_bytes);
     pmd->set_has_process_totals();
     return true;
   }
 
   return false;
 }
 
 }  // namespace trace_event
 }  // namespace base