memory_coordinator: Use TimeTicks to suppress memory condition update

content/browser/memory/memory_coordinator_impl.h

Index: content/browser/memory/memory_coordinator_impl.h
diff --git a/content/browser/memory/memory_coordinator_impl.h b/content/browser/memory/memory_coordinator_impl.h
index c7c5052999fec55c8e9dba163f97f0a37d8b86ef..f70fd2510a552e5d1de84b88a2f35b9df0251798 100644
--- a/content/browser/memory/memory_coordinator_impl.h
+++ b/content/browser/memory/memory_coordinator_impl.h
@@ -233,6 +233,9 @@ class CONTENT_EXPORT MemoryCoordinatorImpl : public base::MemoryCoordinator,
   // The current memory condition.
   MemoryCondition memory_condition_ = MemoryCondition::NORMAL;
 
+  // |memory_condition_| won't be updated until this time ticks is passed.
+  base::TimeTicks suppress_condition_change_until_;
+
   // The memory state of the browser process.
   MemoryState browser_memory_state_ = MemoryState::NORMAL;