content: Crash key and trace counter cleanup.

content/common/host_discardable_shared_memory_manager.cc

Index: content/common/host_discardable_shared_memory_manager.cc
diff --git a/content/common/host_discardable_shared_memory_manager.cc b/content/common/host_discardable_shared_memory_manager.cc
index c4fea8de54e0c7d3b2e2ab09e8485a2103a39756..49c24f812424dac4e3c16efe9eda29d1355126a2 100644
--- a/content/common/host_discardable_shared_memory_manager.cc
+++ b/content/common/host_discardable_shared_memory_manager.cc
@@ -398,11 +398,12 @@ void HostDiscardableSharedMemoryManager::ReleaseMemory(
 
 void HostDiscardableSharedMemoryManager::BytesAllocatedChanged(
     size_t new_bytes_allocated) const {
-  TRACE_COUNTER_ID1("renderer_host", "TotalDiscardableMemoryUsage", this,
-                    new_bytes_allocated);
+  TRACE_COUNTER1("renderer_host", "TotalDiscardableMemoryUsage",
+                 new_bytes_allocated);
 
-  static const char kTotalDiscardableMemoryUsageKey[] = "total-dm-usage";
-  base::debug::SetCrashKeyValue(kTotalDiscardableMemoryUsageKey,
+  static const char kTotalDiscardableMemoryAllocatedKey[] =
+      "total-discardable-memory-allocated";
+  base::debug::SetCrashKeyValue(kTotalDiscardableMemoryAllocatedKey,
                                 base::Uint64ToString(new_bytes_allocated));
 }