[Memory UMA] Return a memory summary struct with the ack message

services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl.cc

Index: services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl.cc
diff --git a/services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl.cc b/services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl.cc
index b93dd6f16e1ca06b47abafbd177da7d08ab3d4f4..1129bae1d1146bc5e475a59c2d7523acca891fe8 100644
--- a/services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl.cc
+++ b/services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl.cc
@@ -50,7 +50,7 @@ void MemoryDumpManagerDelegateImpl::RequestProcessMemoryDump(
 
 void MemoryDumpManagerDelegateImpl::RequestGlobalMemoryDump(
     const base::trace_event::MemoryDumpRequestArgs& args,
-    const base::trace_event::MemoryDumpCallback& callback) {
+    const base::trace_event::GlobalMemoryDumpCallback& callback) {
   // Note: This condition is here to match the old behavior. If the delegate is
   // in the browser process, we do not drop parallel requests in the delegate
   // and so they will be queued by the Coordinator service (see
@@ -81,7 +81,7 @@ void MemoryDumpManagerDelegateImpl::RequestGlobalMemoryDump(
 }
 
 void MemoryDumpManagerDelegateImpl::MemoryDumpCallbackProxy(
-    const base::trace_event::MemoryDumpCallback& callback,
+    const base::trace_event::GlobalMemoryDumpCallback& callback,
     uint64_t dump_guid,
     bool success) {
   DCHECK_NE(0U, pending_memory_dump_guid_);