[tracing] Add names to memory-infra dumpers for debugging

content/child/blink_platform_impl.cc

Index: content/child/blink_platform_impl.cc
diff --git a/content/child/blink_platform_impl.cc b/content/child/blink_platform_impl.cc
index 135cc72342717fd22fb58c3a7dab3538991a069f..c885851418ffe27144337e4cc6beb8e925b8ebc8 100644
--- a/content/child/blink_platform_impl.cc
+++ b/content/child/blink_platform_impl.cc
@@ -710,7 +710,7 @@ void BlinkPlatformImpl::updateTraceEventDuration(
 }
 
 void BlinkPlatformImpl::registerMemoryDumpProvider(
-    blink::WebMemoryDumpProvider* wmdp) {
+    blink::WebMemoryDumpProvider* wmdp, const char* name) {
   WebMemoryDumpProviderAdapter* wmdp_adapter =
       new WebMemoryDumpProviderAdapter(wmdp);
   bool did_insert =
@@ -719,7 +719,7 @@ void BlinkPlatformImpl::registerMemoryDumpProvider(
     return;
   wmdp_adapter->set_is_registered(true);
   base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
-      wmdp_adapter, base::ThreadTaskRunnerHandle::Get());
+      wmdp_adapter, name, base::ThreadTaskRunnerHandle::Get());
 }
 
 void BlinkPlatformImpl::unregisterMemoryDumpProvider(