Initial support for polymorphic inlining.

runtime/vm/flow_graph_compiler.h

Index: runtime/vm/flow_graph_compiler.h
diff --git a/runtime/vm/flow_graph_compiler.h b/runtime/vm/flow_graph_compiler.h
index 4c7204a91e5678760afdf589f3ea8690e5a1bc16..98c853a7648678b7692c0e7c422a0408d932f4f6 100644
--- a/runtime/vm/flow_graph_compiler.h
+++ b/runtime/vm/flow_graph_compiler.h
@@ -452,6 +452,10 @@ class FlowGraphCompiler : public ValueObject {
                                                    Register array,
                                                    Register index);
 
+  // Returns 'sorted' array in decreasing count order.
+  static void SortICDataByCount(const ICData& ic_data,
+                                GrowableArray<CidTarget>* sorted);
+
  private:
   friend class CheckStackOverflowSlowPath;  // For pending_deoptimization_env_.
 
@@ -541,11 +545,6 @@ class FlowGraphCompiler : public ValueObject {
     return block_order_.length() - index - 1;
   }
 
-  // Returns 'sorted' array in decreasing count order.
-  // The expected number of elements to sort is less than 10.
-  static void SortICDataByCount(const ICData& ic_data,
-                                GrowableArray<CidTarget>* sorted);
-
   void CompactBlock(BlockEntryInstr* block);
   void CompactBlocks();