Fix web_dev_style violations in DOM Distiller.

This is in preparation of turning on such PRESUBMIT checks for src/components.

Bug: 1019312
Change-Id: Iefc41c84b6bba151e8eb6961871fa9cbf596e44e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1900250
Auto-Submit: Demetrios Papadopoulos <dpapad@chromium.org>
Reviewed-by: Eric Noyau <noyau@chromium.org>
Reviewed-by: Ben Greenstein <bengr@chromium.org>
Commit-Queue: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#713108}

components/dom_distiller/core/javascript/dom_distiller_viewer.js

@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// On iOS, |distiller_on_ios| was set to true before this script.
-var distiller_on_ios;
-if (typeof distiller_on_ios === 'undefined') {
-  distiller_on_ios = false;
+// On iOS, |distillerOnIos| was set to true before this script.
+var distillerOnIos;
+if (typeof distillerOnIos === 'undefined') {
+  distillerOnIos = false;
 }
 
 function addToPage(html) {
@@ -126,7 +126,7 @@ function maybeSetWebFont() {
   // fetched, which can take a long time on slow networks.
   // In Blink, it times out after 3 seconds and uses fallback fonts.
   // See crbug.com/711650
-  if (distiller_on_ios) {
+  if (distillerOnIos) {
     return;
   }
 

components/dom_distiller/core/javascript/domdistiller.js

@@ -8,11 +8,8 @@
 try {
   function initialize() {
     // This include will be processed at build time by grit.
-    // Note: this <include> is not behind a single-line comment because the
-    // first line of the file is source code (so the first line would be
-    // skipped) instead of a licence header.
     // clang-format off
-      <include src="../../../../third_party/dom_distiller_js/dist/js/domdistiller.js"/>
+    // <include src="../../../../third_party/dom_distiller_js/dist/js/domdistiller.js">
     // clang-format on
   }
   window.setTimeout = function() {};
@@ -30,8 +27,9 @@ try {
   return res;
 } catch (e) {
   window.console.error('Error during distillation: ' + e);
-  if (e.stack != undefined)
+  if (e.stack != undefined) {
     window.console.error(e.stack);
+  }
 }
 return undefined;
-})($$OPTIONS, $$STRINGIFY)
+})($$OPTIONS, $$STRINGIFY);

ios/chrome/browser/dom_distiller/distiller_viewer.cc

@@ -81,7 +81,7 @@ void DistillerViewer::OnArticleReady(
 
     std::string html_and_script(html);
     html_and_script +=
-        "<script> distiller_on_ios = true; " + js_buffer_ + "</script>";
+        "<script> distillerOnIos = true; " + js_buffer_ + "</script>";
     callback_.Run(url_, html_and_script, images, article_proto->title());
   } else {
     callback_.Run(url_, std::string(), {}, std::string());