bindings: Ignores the last undefined arguments when counting the args.

third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor.cpp
index f097bbb14ae8161fd642ed4ce1a985c40578093e..2c74a5e0fbbf8744db01a6aa964f3c1d1df50839 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceConstructor.cpp
@@ -135,10 +135,16 @@ static void constructor3(const v8::FunctionCallbackInfo<v8::Value>& info)
     V8StringResource<> arg;
     V8StringResource<> optArg;
     {
+        int numArgsPassed = info.Length();
+        while (numArgsPassed > 0) {
+            if (!info[numArgsPassed - 1]->IsUndefined())
+                break;
+            --numArgsPassed;
+        }
         arg = info[0];
         if (!arg.prepare())
             return;
-        if (UNLIKELY(info.Length() <= 1)) {
+        if (UNLIKELY(numArgsPassed <= 1)) {
             ScriptState* scriptState = ScriptState::current(info.GetIsolate());
             ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
             Document& document = *toDocument(currentExecutionContext(info.GetIsolate()));
@@ -291,10 +297,16 @@ static void V8TestInterfaceConstructorConstructorCallback(const v8::FunctionCall
     V8StringResource<> arg;
     V8StringResource<> optArg;
     {
+        int numArgsPassed = info.Length();
+        while (numArgsPassed > 0) {
+            if (!info[numArgsPassed - 1]->IsUndefined())
+                break;
+            --numArgsPassed;
+        }
         arg = info[0];
         if (!arg.prepare())
             return;
-        if (UNLIKELY(info.Length() <= 1)) {
+        if (UNLIKELY(numArgsPassed <= 1)) {
             ScriptState* scriptState = ScriptState::current(info.GetIsolate());
             ExecutionContext* executionContext = currentExecutionContext(info.GetIsolate());
             Document& document = *toDocument(currentExecutionContext(info.GetIsolate()));