Add test case for Chrome under 53

Author: yesmeck

scripts/fiber/tests-passing.txt

@@ -1366,7 +1366,8 @@ src/renderers/dom/shared/eventPlugins/__tests__/ChangeEventPlugin-test.js
 * should deduplicate input value change events
 * should listen for both change and input events when supported
 * should only fire events when the value changes for range inputs
-* should only fire change once on Webkit
+* should only fire change once on Chrome
+* should only fire change once on Chrome under 53
 * should only fire change once on Firefox
 * should only fire change once on IE9
 * should only fire change once on IE10

src/renderers/dom/shared/eventPlugins/ChangeEventPlugin.js

@@ -227,21 +227,12 @@ function getTargetInstForClickEvent(topLevelType, targetInst) {
 function getTargetInstForInputOrChangeEvent(topLevelType, targetInst) {
   if (inComposition(topLevelType)) {
     return;
-  } else if (
-    topLevelType === 'topInput' &&
-    lastTopLevelType === 'topCompositionEnd'
-  ) {
+  } else if (topLevelType === 'topInput' && lastTopLevelType === 'topCompositionEnd') {
     return getInstIfValueChanged(targetInst);
-  } else if (
-    // Webkit fires 'compositionEnd' event after 'input' event.
-    topLevelType === 'topKeyUp' &&
-    lastTopLevelType === 'topCompositionEnd'
-  ) {
+  } else if (topLevelType === 'topKeyUp' && lastTopLevelType === 'topCompositionEnd') {
+    // Chrome fires 'compositionEnd' event after 'input' event.
     return getInstIfValueChanged(targetInst);
-  } else if (
-    topLevelType === 'topInput' ||
-    topLevelType === 'topChange'
-  ) {
+  } else if (topLevelType === 'topInput' || topLevelType === 'topChange') {
     return getInstIfValueChanged(targetInst);
   }
 }

src/renderers/dom/shared/eventPlugins/__tests__/ChangeEventPlugin-test.js

@@ -248,7 +248,26 @@ describe('ChangeEventPlugin', () => {
     }
 
     var Scenario = {
-      Webkit: [
+      ChromeUnder53: [
+        { run: setUntrackedValue, args: [ 'n' ] },
+        { run: simulateEvent, args: [ 'keyDown' ] },
+        { run: simulateEvent, args: [ 'compositionStart' ] },
+        { run: simulateEvent, args: [ 'compositionUpdate' ] },
+        { run: simulateEvent, args: [ 'input' ] },
+        { run: simulateEvent, args: [ 'keyUp' ] },
+        { run: setUntrackedValue, args: [ 'ni' ] },
+        { run: simulateEvent, args: [ 'keyDown' ] },
+        { run: simulateEvent, args: [ 'compositionUpdate' ] },
+        { run: simulateEvent, args: [ 'input' ] },
+        { run: simulateEvent, args: [ 'keyUp' ] },
+        { run: setUntrackedValue, args: [ '你' ] },
+        { run: simulateEvent, args: [ 'keyDown' ] },
+        { run: simulateEvent, args: [ 'compositionEnd' ] },
+        { run: simulateEvent, args: [ 'textInput' ] },
+        { run: simulateEvent, args: [ 'input' ] },
+        { run: simulateEvent, args: [ 'keyUp' ] },
+      ],
+      Chrome: [
         { run: setUntrackedValue, args: [ 'n' ] },
         { run: simulateEvent, args: [ 'keyDown' ] },
         { run: simulateEvent, args: [ 'compositionStart' ] },
@@ -348,8 +367,12 @@ describe('ChangeEventPlugin', () => {
       ],
     };
 
-    it('should only fire change once on Webkit', () => {
-      TestCompositionEvent(Scenario.Webkit);
+    it('should only fire change once on Chrome', () => {
+      TestCompositionEvent(Scenario.Chrome);
+    });
+
+    it('should only fire change once on Chrome under 53', () => {
+      TestCompositionEvent(Scenario.ChromeUnder53);
     });
 
     it('should only fire change once on Firefox', () => {