[App Management] Replace == to === in JavaScript.

This CL changes all the "==" in JavaScript to "===", to adhere the style guide.

Bug: 906508
Change-Id: I77961c553c71decb313560b5cadf89c28fda99c1
Reviewed-on: https://chromium-review.googlesource.com/c/1454111Reviewed-by: Eric Willigers <ericwilligers@chromium.org>
Reviewed-by: calamity <calamity@chromium.org>
Commit-Queue: Cecilia Ni <ceciliani@google.com>
Cr-Commit-Position: refs/heads/master@{#629832}

chrome/browser/resources/app_management/actions.js

@@ -43,7 +43,7 @@ cr.define('app_management.actions', function() {
    * @param {string=} id
    */
   function changePage(pageType, id) {
-    if (pageType == PageType.DETAIL && !id) {
+    if (pageType === PageType.DETAIL && !id) {
       console.warn(
           'Tried to load app detail page without providing an app id.');
     }

chrome/browser/resources/app_management/main_view.js

@@ -141,7 +141,7 @@ Polymer({
             .map(function(p) {
               // Make the titles of app collapsible but make the number in the
               // "X other app(s)" part non-collapsible.
-              p.collapsible = !!p.arg && p.arg != '$' + placeholder;
+              p.collapsible = !!p.arg && p.arg !== '$' + placeholder;
               return p;
             });
     return pieces;
@@ -158,7 +158,7 @@ Polymer({
     const textContainer = this.$['notifications-sublabel'];
     textContainer.textContent = '';
     for (const p of pieces) {
-      if (!p.value || p.value.length == 0) {
+      if (!p.value || p.value.length === 0) {
         return;
       }
 

chrome/browser/resources/app_management/reducers.js

@@ -76,12 +76,12 @@ cr.define('app_management', function() {
    * @return {Page}
    */
   CurrentPageState.changePage = function(apps, action) {
-    if (action.pageType == PageType.DETAIL && apps[action.id]) {
+    if (action.pageType === PageType.DETAIL && apps[action.id]) {
       return {
         pageType: PageType.DETAIL,
         selectedAppId: action.id,
       };
-    } else if (action.pageType == PageType.NOTIFICATIONS) {
+    } else if (action.pageType === PageType.NOTIFICATIONS) {
       return {
         pageType: PageType.NOTIFICATIONS,
         selectedAppId: null,
@@ -100,8 +100,8 @@ cr.define('app_management', function() {
    * @return {Page}
    */
   CurrentPageState.removeApp = function(currentPage, action) {
-    if (currentPage.pageType == PageType.DETAIL &&
-        currentPage.selectedAppId == action.id) {
+    if (currentPage.pageType === PageType.DETAIL &&
+        currentPage.selectedAppId === action.id) {
       return {
         pageType: PageType.MAIN,
         selectedAppId: null,