chore(lint): Autofix react/jsx-boolean-value always.

.eslintrc

@@ -30,6 +30,7 @@
     "mozilla/import-globals-from": 1,
     "mozilla/this-top-level-scope": 1,
 
+    "react/jsx-boolean-value": [2, "always"],
     "react/jsx-equals-spacing": [2, "never"],
     "react/jsx-no-duplicate-props": 2,
     "react/jsx-no-undef": 2,

content-src/components/MediaPreview/MediaPreview.js

@@ -31,7 +31,7 @@ const MediaPreview = React.createClass({
                         type="text/html"
                         ref="previewPlayer"
                         frameBorder="0"
-                        allowFullScreen />);
+                        allowFullScreen={true} />);
     }
 
     const style = previewInfo.thumbnail ? {backgroundImage: `url(${previewInfo.thumbnail.url})`} : null;

content-src/components/NewTabPage/NewTabPage.js

@@ -57,7 +57,7 @@ const NewTabPage = React.createClass({
           className="loading-notice"
           show={!this.props.isReady}
           label="Hang on tight! We are analyzing your history to personalize your experience"
-          centered
+          centered={true}
         />
 
         <div className={classNames("show-on-init", {on: this.props.isReady})}>

content-src/components/TopSites/TopSites.js

@@ -43,7 +43,7 @@ const TopSites = React.createClass({
           const isActive = this.state.showContextMenu && this.state.activeTile === i;
           return (<div className={classNames("tile-outer", {active: isActive})} key={site.guid || site.cache_key || i}>
             <a onClick={() => this.onClick(i)} className="tile" href={site.url}>
-              <SiteIcon className="tile-img-container" site={site} faviconSize={32} showTitle />
+              <SiteIcon className="tile-img-container" site={site} faviconSize={32} showTitle={true} />
               <div className="inner-border" />
             </a>
             <LinkMenuButton onClick={ev => {