[tracing] Introduce MemoryDumpArgs to enable light and heavy dumps

base/trace_event/winheap_dump_provider_win_unittest.cc

Index: base/trace_event/winheap_dump_provider_win_unittest.cc
diff --git a/base/trace_event/winheap_dump_provider_win_unittest.cc b/base/trace_event/winheap_dump_provider_win_unittest.cc
index 865a1d2f5ce8f445846c9b085901b39ef1a7f7af..7629915dfbd7b655de1442a7e87553542acbc978 100644
--- a/base/trace_event/winheap_dump_provider_win_unittest.cc
+++ b/base/trace_event/winheap_dump_provider_win_unittest.cc
@@ -15,12 +15,13 @@ namespace trace_event {
 
 TEST(WinHeapDumpProviderTest, OnMemoryDump) {
   ProcessMemoryDump pmd(make_scoped_refptr(new MemoryDumpSessionState()));
+  MemoryDumpArgs dump_args = {MemoryDumpArgs::LEVEL_OF_DETAIL_HIGH};
 
   WinHeapDumpProvider* winheap_dump_provider =
       WinHeapDumpProvider::GetInstance();
   ASSERT_NE(static_cast<WinHeapDumpProvider*>(nullptr), winheap_dump_provider);
 
-  ASSERT_NO_FATAL_FAILURE(winheap_dump_provider->OnMemoryDump(&pmd));
+  ASSERT_NO_FATAL_FAILURE(winheap_dump_provider->OnMemoryDump(dump_args, &pmd));
 }
 
 }  // namespace trace_event