Generate TypedArrayInitialize builtin in hydrogen.

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index d11fbc0a0de21e66814f15526e8caafd9dfbecaa..16429c3a33a2c5153bb288188761d5bca87b8cbc 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -1730,6 +1730,12 @@ class HGraphBuilder {
     position_ = position;
   }
 
+  template <typename ViewClass>
+  void BuildArrayBufferViewInitialization(HValue* obj,
+                                          HValue* buffer,
+                                          HValue* byte_offset,
+                                          HValue* byte_length);
+
  private:
   HGraphBuilder();
 
@@ -2152,6 +2158,8 @@ class HOptimizedGraphBuilder : public HGraphBuilder, public AstVisitor {
                                        SmallMapList* types,
                                        Handle<String> name);
 
+  void VisitTypedArrayInitialize(CallRuntime* expr);
+
   bool IsCallNewArrayInlineable(CallNew* expr);
   void BuildInlinedCallNewArray(CallNew* expr);