[tracing] Introduce MemoryDumpArgs to enable light and heavy dumps

base/trace_event/java_heap_dump_provider_android_unittest.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/java_heap_dump_provider_android.h"
 
 #include "base/trace_event/process_memory_dump.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 namespace trace_event {
 
 TEST(JavaHeapDumpProviderTest, JavaHeapDump) {
   auto jhdp = JavaHeapDumpProvider::GetInstance();
   scoped_ptr<ProcessMemoryDump> pmd(new ProcessMemoryDump(nullptr));
+  MemoryDumpArgs dump_args = {MemoryDumpArgs::LEVEL_OF_DETAIL_HIGH};
 
-  jhdp->OnMemoryDump(pmd.get());
+  jhdp->OnMemoryDump(dump_args, pmd.get());
 }
 
 }  // namespace trace_event
 }  // namespace base