[tracing] Non-functional refactor of memory dump arg names

base/trace_event/process_memory_dump.h

Index: base/trace_event/process_memory_dump.h
diff --git a/base/trace_event/process_memory_dump.h b/base/trace_event/process_memory_dump.h
index 3b71a2c41ae0409bdf8fe05c19993ec740c0aa8a..da18a14b1ca1d2909224011fcb5bc89d0286b69e 100644
--- a/base/trace_event/process_memory_dump.h
+++ b/base/trace_event/process_memory_dump.h
@@ -25,12 +25,8 @@ class ConvertableToTraceFormat;
 class MemoryDumpManager;
 class MemoryDumpSessionState;
 
-// ProcessMemoryDump is as a strongly typed container which enforces the data
-// model for each memory dump and holds the dumps produced by the
-// MemoryDumpProvider(s) for a specific process.
-// At trace generation time (i.e. when AsValue() is called), ProcessMemoryDump
-// will compose a key-value dictionary of the various dumps obtained at trace
-// dump point time.
+// ProcessMemoryDump is as a strongly typed container which holds the dumps
+// produced by the MemoryDumpProvider(s) for a specific process.
 class BASE_EXPORT ProcessMemoryDump {
  public:
   struct MemoryAllocatorDumpEdge {