Remove dead code in ScriptArguments.

TBR=yurys

Review URL: https://codereview.chromium.org/661353005

git-svn-id: svn://svn.chromium.org/blink/trunk@184004 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/inspector/ScriptArguments.cpp

@@ -181,16 +181,13 @@ const ScriptValue &ScriptArguments::argumentAt(size_t index) const
     return m_arguments[index];
 }
 
-bool ScriptArguments::getFirstArgumentAsString(String& result, bool checkForNullOrUndefined)
+bool ScriptArguments::getFirstArgumentAsString(String& result) const
 {
     if (!argumentCount())
         return false;
 
     const ScriptValue& value = argumentAt(0);
     ScriptState::Scope scope(m_scriptState.get());
-    if (checkForNullOrUndefined && (value.isNull() || value.isUndefined()))
-        return false;
-
     result = V8ValueStringBuilder::toString(value.v8Value(), value.isolate());
     return true;
 }

third_party/WebKit/Source/core/inspector/ScriptArguments.h

@@ -51,7 +51,7 @@ public:
 
     ScriptState* scriptState() const { return m_scriptState.get(); }
 
-    bool getFirstArgumentAsString(WTF::String& result, bool checkForNullOrUndefined = false);
+    bool getFirstArgumentAsString(String&) const;
 
     void trace(Visitor*) { }