Hook ByteArrayViewLoad operations into polymorphic inliner

runtime/vm/flow_graph_optimizer.h

Index: runtime/vm/flow_graph_optimizer.h
diff --git a/runtime/vm/flow_graph_optimizer.h b/runtime/vm/flow_graph_optimizer.h
index ad3ab68cd9e718850a1a4e8bf64715cc4ee155d6..6b92cb0756f77987c2e54d2d7179af52b100b304 100644
--- a/runtime/vm/flow_graph_optimizer.h
+++ b/runtime/vm/flow_graph_optimizer.h
@@ -119,7 +119,22 @@ class FlowGraphOptimizer : public FlowGraphVisitor {
   LoadIndexedInstr* BuildStringCodeUnitAt(InstanceCallInstr* call,
                                           intptr_t cid);
 
-  bool BuildByteArrayViewLoad(InstanceCallInstr* call,
+  bool InlineByteArrayViewLoad(MethodRecognizer::Kind kind,
+                               Instruction* call,
+                               intptr_t view_cid,
+                               const ICData& ic_data,
+                               TargetEntryInstr** entry,
+                               Definition** last);
+
+  intptr_t PrepareInlineByteArrayViewOp(Instruction* call,
+                                        intptr_t array_cid,
+                                        intptr_t view_cid,
+                                        Definition** array,
+                                        Definition* index,
+                                        Instruction** cursor);
+
+  bool BuildByteArrayViewLoad(MethodRecognizer::Kind kind,
+                              InstanceCallInstr* call,
                               intptr_t receiver_cid,
                               intptr_t view_cid);
   bool BuildByteArrayViewStore(InstanceCallInstr* call,