Sync MDP: implement MemoryDumpProvider

sql/connection.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 "sql/connection.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
@@ skipping 1971 matching lines @@
     ret = stmt.Succeeded();
   }
 
   // Best effort to put things back as they were before.
   const char kNoWritableSchema[] = "PRAGMA writable_schema = OFF";
   ignore_result(Execute(kNoWritableSchema));
 
   return ret;
 }
 
+bool Connection::ReportMemoryUsage(
+    base::trace_event::MemoryAllocatorDump* mad) {
+  return memory_dump_provider_ &&
+      memory_dump_provider_->ReportMemoryUsage(mad);
+}
+
 base::TimeTicks TimeSource::Now() {
   return base::TimeTicks::Now();
 }
 
 }  // namespace sql