[tracing] Introduce MemoryDumpArgs to enable light and heavy dumps

base/trace_event/winheap_dump_provider_win.cc

Index: base/trace_event/winheap_dump_provider_win.cc
diff --git a/base/trace_event/winheap_dump_provider_win.cc b/base/trace_event/winheap_dump_provider_win.cc
index e1e1e0f2950cb806bd11bc0ce3c44f97afab3249..8f910b3ce15d69bc797e992ffc148b453b9d3561 100644
--- a/base/trace_event/winheap_dump_provider_win.cc
+++ b/base/trace_event/winheap_dump_provider_win.cc
@@ -47,7 +47,8 @@ WinHeapDumpProvider* WinHeapDumpProvider::GetInstance() {
                    LeakySingletonTraits<WinHeapDumpProvider>>::get();
 }
 
-bool WinHeapDumpProvider::OnMemoryDump(ProcessMemoryDump* pmd) {
+bool WinHeapDumpProvider::OnMemoryDump(const MemoryDumpArgs& args,
+                                       ProcessMemoryDump* pmd) {
   // This method might be flaky for 2 reasons:
   //   - GetProcessHeaps is racy by design. It returns a snapshot of the
   //     available heaps, but there's no guarantee that that snapshot remains