Code review changes made for #11140

Author: imanushree

src/isomorphic/modern/class/ReactNoopUpdateQueue.js

@@ -20,15 +20,7 @@ function warnNoop(publicInstance, callerName) {
     const currentComponent =
       (constructor && (constructor.displayName || constructor.name)) ||
       'ReactClass';
-    const currentComponentError =
-      callerName +
-      '(...): Can only update a mounted or mounting component. ' +
-      'This usually means you called ' +
-      callerName +
-      '() on an unmounted component. ' +
-      'This is a no-op.\n\nPlease check the code for the ' +
-      currentComponent +
-      ' component.';
+    const currentComponentError = `${callerName}_${currentComponent}`;
 
     warning(
       !!errorInfo[currentComponentError],

src/renderers/shared/server/ReactPartialRenderer.js

@@ -168,15 +168,7 @@ function warnNoop(
     var constructor = publicInstance.constructor;
     const currentComponent =
       (constructor && getComponentName(constructor)) || 'ReactClass';
-    const currentComponentError =
-      callerName +
-      '(...): Can only update a mounting component. ' +
-      'This usually means you called ' +
-      callerName +
-      '() outside componentWillMount() on the server. ' +
-      'This is a no-op.\n\nPlease check the code for the ' +
-      currentComponent +
-      ' component.';
+    const currentComponentError = `${callerName}_${currentComponent}`;
 
     warning(
       !!errorInfo[currentComponentError],