Refactor inlining of recognized methods.

runtime/vm/flow_graph_inliner.h

Index: runtime/vm/flow_graph_inliner.h
diff --git a/runtime/vm/flow_graph_inliner.h b/runtime/vm/flow_graph_inliner.h
index fcfe6520728526ae26963b2f55cf67c5a5a39298..04bca93d3488427ffe7cb78ecada5987b220702e 100644
--- a/runtime/vm/flow_graph_inliner.h
+++ b/runtime/vm/flow_graph_inliner.h
@@ -13,7 +13,9 @@ namespace dart {
 class Definition;
 class Field;
 class FlowGraph;
+class ForwardInstructionIterator;
 class Function;
+class InstanceCallInstr;
 class Instruction;
 class TargetEntryInstr;
 
@@ -42,6 +44,11 @@ class FlowGraphInliner : ValueObject {
 
   bool trace_inlining() const { return trace_inlining_; }
 
+  static bool TryReplaceInstanceCallWithInline(
+      FlowGraph* flow_graph,
+      ForwardInstructionIterator* iterator,
+      InstanceCallInstr* call);
+
   static bool TryInlineRecognizedMethod(FlowGraph* flow_graph,
                                         intptr_t receiver_cid,
                                         const Function& target,