diff --git a/shell/common/api/electron_api_v8_util.cc b/shell/common/api/electron_api_v8_util.cc
index 8c55a47919b7..07396528851a 100644
--- a/shell/common/api/electron_api_v8_util.cc
+++ b/shell/common/api/electron_api_v8_util.cc
@@ -2,6 +2,7 @@
 // Use of this source code is governed by the MIT license that can be
 // found in the LICENSE file.
 
+#include <iterator>
 #include <utility>
 
 #include "base/hash/hash.h"
@@ -106,9 +107,11 @@ void RequestGarbageCollectionForTesting(v8::Isolate* isolate) {
 // This causes a fatal error by creating a circular extension dependency.
 void TriggerFatalErrorForTesting(v8::Isolate* isolate) {
   static const char* aDeps[] = {"B"};
-  v8::RegisterExtension(std::make_unique<v8::Extension>("A", "", 1, aDeps));
+  v8::RegisterExtension(
+      std::make_unique<v8::Extension>("A", "", std::size(aDeps), aDeps));
   static const char* bDeps[] = {"A"};
-  v8::RegisterExtension(std::make_unique<v8::Extension>("B", "", 1, bDeps));
+  v8::RegisterExtension(
+      std::make_unique<v8::Extension>("B", "", std::size(aDeps), bDeps));
   v8::ExtensionConfiguration config(1, bDeps);
   v8::Context::New(isolate, &config);
 }
diff --git a/shell/common/v8_value_converter.cc b/shell/common/v8_value_converter.cc
index a46c4fb1a4b3..9dc372414bc3 100644
--- a/shell/common/v8_value_converter.cc
+++ b/shell/common/v8_value_converter.cc
@@ -4,6 +4,7 @@
 
 #include "shell/common/v8_value_converter.h"
 
+#include <iterator>
 #include <map>
 #include <memory>
 #include <string>
@@ -285,7 +286,7 @@ v8::Local<v8::Value> V8ValueConverter::ToArrayBuffer(
 
   v8::Local<v8::Value> args[] = {array_buffer};
   auto func = from_value.As<v8::Function>();
-  auto result = func->Call(context, v8::Null(isolate), 1, args);
+  auto result = func->Call(context, v8::Null(isolate), std::size(args), args);
   if (!result.IsEmpty()) {
     return result.ToLocalChecked();
   }
diff --git a/shell/renderer/api/electron_api_spell_check_client.cc b/shell/renderer/api/electron_api_spell_check_client.cc
index 48d9e38e0d15..21374c965b3f 100644
--- a/shell/renderer/api/electron_api_spell_check_client.cc
+++ b/shell/renderer/api/electron_api_spell_check_client.cc
@@ -4,6 +4,7 @@
 
 #include "shell/renderer/api/electron_api_spell_check_client.h"
 
+#include <iterator>
 #include <memory>
 #include <set>
 #include <unordered_set>
@@ -229,7 +230,8 @@ void SpellCheckClient::SpellCheckWords(const SpellCheckScope& scope,
   v8::Local<v8::Value> args[] = {gin::ConvertToV8(isolate_, words),
                                  templ->GetFunction(context).ToLocalChecked()};
   // Call javascript with the words and the callback function
-  scope.spell_check_->Call(context, scope.provider_, 2, args).IsEmpty();
+  scope.spell_check_->Call(context, scope.provider_, std::size(args), args)
+      .IsEmpty();
 }
 
 // Returns whether or not the given string is a contraction.