Fix web_dev_style violations in components/offline_pages.

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

Bug: 1019312
Change-Id: Ib16a5244aed27807f74d6cdac6911ec48cecc284
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1900172
Commit-Queue: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Cathy Li <chili@chromium.org>
Auto-Submit: Demetrios Papadopoulos <dpapad@chromium.org>
Reviewed-by: Cathy Li <chili@chromium.org>
Cr-Commit-Position: refs/heads/master@{#712818}

components/offline_pages/content/renovations/test/page_renovator_browsertest.cc

@@ -62,10 +62,10 @@ const char kTestRenovationScript[] =
       var node = document.getElementById('always');
       node.parentNode.removeChild(node);
     }
-    var map_renovations = {'foo':foo, 'bar':bar, 'always':always};
+    var mapRenovations = {'foo':foo, 'bar':bar, 'always':always};
     function run_renovations(idlist) {
       for (var id of idlist) {
-        map_renovations[id]();
+        mapRenovations[id]();
       }
     })*";
 

components/offline_pages/resources/renovations.js

@@ -37,12 +37,12 @@ function renovation_wikipedia() {
   }
 }
 
-var map_renovations = {
-  "wikipedia" : renovation_wikipedia,
+var mapRenovations = {
+  'wikipedia': renovation_wikipedia,
 };
 
 function run_renovations(flist) {
-  for (var func_name of flist) {
-    map_renovations[func_name]();
+  for (var funcName of flist) {
+    mapRenovations[funcName]();
   }
 }