Reland "Remove the weak list of views from array buffers"

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index a07ed2274c34c167531e78b89c829e15e3e24cba..5c8d2ec027aff71512e78139ae6c6ebbd63e0abc 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -1863,6 +1863,10 @@ class HGraphBuilder {
   HInstruction* BuildGetNativeContext();
   HInstruction* BuildGetScriptContext(int context_index);
   HInstruction* BuildGetArrayFunction();
+  HValue* BuildArrayBufferViewFieldAccessor(HValue* object,
+                                            HValue* checked_object,
+                                            FieldIndex index);
+
 
  protected:
   void SetSourcePosition(int position) {
@@ -2555,6 +2559,20 @@ class HOptimizedGraphBuilder : public HGraphBuilder, public AstVisitor {
       return false;
     }
 
+    bool IsJSArrayBufferViewFieldAccessor() {
+      int offset;  // unused
+      return Accessors::IsJSArrayBufferViewFieldAccessor(map_, name_, &offset);
+    }
+
+    bool GetJSArrayBufferViewFieldAccess(HObjectAccess* access) {
+      int offset;
+      if (Accessors::IsJSArrayBufferViewFieldAccessor(map_, name_, &offset)) {
+        *access = HObjectAccess::ForMapAndOffset(map_, offset);
+        return true;
+      }
+      return false;
+    }
+
     bool has_holder() { return !holder_.is_null(); }
     bool IsLoad() const { return access_type_ == LOAD; }
 
@@ -2679,22 +2697,15 @@ class HOptimizedGraphBuilder : public HGraphBuilder, public AstVisitor {
     PropertyDetails details_;
   };
 
-  HInstruction* BuildMonomorphicAccess(PropertyAccessInfo* info,
-                                       HValue* object,
-                                       HValue* checked_object,
-                                       HValue* value,
-                                       BailoutId ast_id,
-                                       BailoutId return_id,
-                                       bool can_inline_accessor = true);
-
-  HInstruction* BuildNamedAccess(PropertyAccessType access,
-                                 BailoutId ast_id,
-                                 BailoutId reutrn_id,
-                                 Expression* expr,
-                                 HValue* object,
-                                 Handle<String> name,
-                                 HValue* value,
-                                 bool is_uninitialized = false);
+  HValue* BuildMonomorphicAccess(PropertyAccessInfo* info, HValue* object,
+                                 HValue* checked_object, HValue* value,
+                                 BailoutId ast_id, BailoutId return_id,
+                                 bool can_inline_accessor = true);
+
+  HValue* BuildNamedAccess(PropertyAccessType access, BailoutId ast_id,
+                           BailoutId reutrn_id, Expression* expr,
+                           HValue* object, Handle<String> name, HValue* value,
+                           bool is_uninitialized = false);
 
   void HandlePolymorphicCallNamed(Call* expr,
                                   HValue* receiver,