DevTools: Disallow console.log statements with eslint

third_party/WebKit/LayoutTests/inspector/extensions/extensions-resources-expected.txt

 CONSOLE MESSAGE: line 3: don't panic!
 Tests resource-related methods of WebInspector extension API
 
 
 Started extension.
 Running tests...
 RUNNING TEST: extension_testGetAllResources
 page resources:
 {
     0 : {
@@ skipping 27 matching lines @@
 {
     0 : "function logMessage()
 {
     console.log("don't panic!");
 }
 
 "
     1 : ""
 }
 RUNNING TEST: extension_testOnContentCommitted
-log: Extension server error: Object does not support requested operation: Resource is not editable
+error: Extension server error: Object does not support requested operation: Resource is not editable
 content committed for resource .../audits-style1.css (type: stylesheet), new content: div.test { width: 220px; height: 42px; }
 Revision content: div.test { width: 220px; height: 42px; }
 RUNNING TEST: extension_testOnResourceAdded
 resource added:
 {
     0 : {
         getContent : <function>
         setContent : <function>
         type : "script"
         url : data:application/javascript...
     }
 }
 RUNNING TEST: extension_testOpenResourceHandler
 handleOpenResource() invoked [this should only appear once!]: 
 {
     0 : {
         getContent : <function>
         setContent : <function>
         type : "script"
         url : .../test-script.js
     }
     1 : 3
 }
 RUNNING TEST: extension_testSetResourceContent
 div.test width after stylesheet edited (should be 126): 126
 All tests done.