No longer inspecting result from ReactPerf.getLastMeasurements

It’s no longer recommended to use the output of `getLastMeasurements`
(https://facebook.github.io/react/blog/2016/04/07/react-v15.html#reactpe
rf.getlastmeasurements-is-opaque).

Author: sheepsteak

specs/index-spec.js

@@ -65,19 +65,6 @@ describe('Perf component', function() {
           expect(this.MockReactAddons.start).toHaveBeenCalled();
         });
 
-        it('should not print measurements if none are available', function() {
-          const Perf = this.perf(TestComponent);
-          this.MockReactAddons.getLastMeasurements.and.returnValue([]);
-
-          const perf = new Perf();
-          perf.componentDidMount();
-          perf.componentDidUpdate();
-
-          expect(this.MockReactAddons.getLastMeasurements).toHaveBeenCalled();
-          expect(this.MockReactAddons.printWasted).not.toHaveBeenCalled();
-          expect(this.MockConsole.log).not.toHaveBeenCalled();
-        });
-
         it('should print measurements if some are available', function() {
           const Perf = this.perf(TestComponent);
           this.MockReactAddons.getLastMeasurements.and.returnValue([{
@@ -90,7 +77,6 @@ describe('Perf component', function() {
 
           expect(this.MockReactAddons.getLastMeasurements).toHaveBeenCalled();
           expect(this.MockReactAddons.printWasted).toHaveBeenCalled();
-          expect(this.MockConsole.log).toHaveBeenCalled();
         });
       });
     });

src/index.js

@@ -19,15 +19,8 @@ export default function perf(Component) {
       componentDidUpdate() {
         const measurements = ReactPerf.getLastMeasurements();
 
-        if (measurements.length > 0) {
-          this.totalRenders = (this.totalRenders || 0) + 1;
-          this.totalTime = (this.totalTime || 0) + measurements[0].totalTime;
-
-          console.log(`Average: ${this.totalTime / this.totalRenders} over ${this.totalRenders} renders.`);
-
-          ReactPerf.printWasted(measurements);
-          ReactPerf.start();
-        }
+        ReactPerf.printWasted(measurements);
+        ReactPerf.start();
       }
       render() {
         return <Component {...this.props} />;