memory coordinator: Set variation parameters if available

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 b86cc61be7a0a6aff3e6a712a68279e5168851b2..eac829466a01a98864afa095b3f5fdb02fa9bd78 100644
--- a/content/browser/memory/memory_coordinator_impl.h
+++ b/content/browser/memory/memory_coordinator_impl.h
@@ -97,10 +97,14 @@ class CONTENT_EXPORT MemoryCoordinatorImpl : public MemoryCoordinator,
   base::MemoryState current_state_ = MemoryState::NORMAL;
   base::TimeTicks last_state_change_;
 
+  // Sets up parameters for the heuristic.
+  void InitializeParameters();
+
   // Validates parameters defined below.
   bool ValidateParameters();
 
   // Parameters to control the heuristic.
+  MemoryCoordinatorV0Params params_;
 
   // The median size of a renderer on the current platform. This is used to
   // convert the amount of free memory to an expected number of new renderers