[tracing] Remove MemoryAllocatorDump::process_memory_dump

sql/connection_memory_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 "sql/connection_memory_dump_provider.h"
 
 #include <inttypes.h>
 
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/process_memory_dump.h"
@@ skipping 37 matching lines @@
   dump->AddScalar("schema_size",
                   base::trace_event::MemoryAllocatorDump::kUnitsBytes,
                   schema_size);
   dump->AddScalar("statement_size",
                   base::trace_event::MemoryAllocatorDump::kUnitsBytes,
                   statement_size);
   return true;
 }
 
 bool ConnectionMemoryDumpProvider::ReportMemoryUsage(
-    base::trace_event::MemoryAllocatorDump* mad) {
+    base::trace_event::ProcessMemoryDump* pmd,
+    const std::string& dump_name) {
   int cache_size = 0;
   int schema_size = 0;
   int statement_size = 0;
-  if (!GetDbMemoryUsage(&cache_size, &schema_size, &statement_size)) {
+  if (!GetDbMemoryUsage(&cache_size, &schema_size, &statement_size))
     return false;
-  }
 
+  auto* mad = pmd->CreateAllocatorDump(dump_name);
   mad->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
                  base::trace_event::MemoryAllocatorDump::kUnitsBytes,
                  cache_size + schema_size + statement_size);
-  mad->process_memory_dump()->AddSuballocation(mad->guid(), FormatDumpName());
+  pmd->AddSuballocation(mad->guid(), FormatDumpName());
 
   return true;
 }
 
 bool ConnectionMemoryDumpProvider::GetDbMemoryUsage(int* cache_size,
                                                     int* schema_size,
                                                     int* statement_size) {
   // Lock is acquired here so that db_ is not reset in ResetDatabase when
   // collecting stats.
   base::AutoLock lock(lock_);
@@ skipping 17 matching lines @@
 }
 
 std::string ConnectionMemoryDumpProvider::FormatDumpName() const {
   return base::StringPrintf(
       "sqlite/%s_connection/0x%" PRIXPTR,
       connection_name_.empty() ? "Unknown" : connection_name_.c_str(),
       reinterpret_cast<uintptr_t>(this));
 }
 
 }  // namespace sql