Update unit test NPM dependencies

Updates Karma, Mocha and Sinon.

R=jacktfranklin@chromium.org

Bug: none
Change-Id: Ia93cdafc646e4d3277e7ce869a7a8b5e66a13f0d
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3372928
Auto-Submit: Tim Van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>
Commit-Queue: Tim Van der Lippe <tvanderlippe@chromium.org>

node_modules/karma/lib/launchers/capture_timeout.js

@@ -17,7 +17,7 @@ function CaptureTimeoutLauncher (timer, captureTimeout) {
         return
       }
 
-      log.warn(`${this.name} have not captured in ${captureTimeout} ms, killing.`)
+      log.warn(`${this.name} has not captured in ${captureTimeout} ms, killing.`)
       this.error = 'timeout'
       this.kill()
     }, captureTimeout)

node_modules/karma/lib/middleware/karma.js

@@ -45,7 +45,7 @@ function getQuery (urlStr) {
 function getXUACompatibleMetaElement (url) {
   const query = getQuery(url)
   if (query['x-ua-compatible']) {
-    return `\n<meta http-equiv="X-UA-Compatible" content="${query['x-ua-compatible']}"/>`
+    return `<meta http-equiv="X-UA-Compatible" content="${query['x-ua-compatible']}"/>`
   }
   return ''
 }
@@ -107,7 +107,7 @@ function createKarmaMiddleware (
       } else { // serve client.html
         return serveStaticFile('/client.html', requestedRangeHeader, response, (data) =>
           data
-            .replace('\n%X_UA_COMPATIBLE%', getXUACompatibleMetaElement(request.url))
+            .replace('%X_UA_COMPATIBLE%', getXUACompatibleMetaElement(request.url))
             .replace('%X_UA_COMPATIBLE_URL%', getXUACompatibleUrl(request.url)))
       }
     }
@@ -226,7 +226,7 @@ function createKarmaMiddleware (
             .replace('%CLIENT_CONFIG%', 'window.__karma__.config = ' + JSON.stringify(client) + ';\n')
             .replace('%SCRIPT_URL_ARRAY%', () => 'window.__karma__.scriptUrls = ' + JSON.stringify(scriptUrls) + ';\n')
             .replace('%MAPPINGS%', () => 'window.__karma__.files = {\n' + mappings.join(',\n') + '\n};\n')
-            .replace('\n%X_UA_COMPATIBLE%', getXUACompatibleMetaElement(request.url))
+            .replace('%X_UA_COMPATIBLE%', getXUACompatibleMetaElement(request.url))
         })
       })
     } else if (requestUrl === '/context.json') {

node_modules/karma/lib/reporter.js

@@ -48,7 +48,7 @@ function createErrorFormatter (config, emitter, SourceMapConsumer) {
       input = JSON.stringify(input, null, indentation)
     }
 
-    let msg = input.replace(URL_REGEXP, function (_, prefix, path, __, ___, line, ____, column) {
+    let msg = input.replace(URL_REGEXP, function (stackTracePath, prefix, path, __, ___, line, ____, column) {
       const normalizedPath = prefix === 'base/' ? `${basePath}/${path}` : path
       const file = lastServedFiles.find((file) => file.path === normalizedPath)
 
@@ -64,12 +64,21 @@ function createErrorFormatter (config, emitter, SourceMapConsumer) {
           const zeroBasedColumn = Math.max(0, (column || 1) - 1)
           const original = getSourceMapConsumer(file.sourceMap).originalPositionFor({ line, column: zeroBasedColumn, bias })
 
+          // If there is no original position/source for the current stack trace path, then
+          // we return early with the formatted generated position. This handles the case of
+          // generated code which does not map to anything, see Case 1 of the source-map spec.
+          // https://sourcemaps.info/spec.html.
+          if (original.source === null) {
+            return PathUtils.formatPathMapping(path, line, column)
+          }
+
           // Source maps often only have a local file name, resolve to turn into a full path if
           // the path is not absolute yet.
           const oneBasedOriginalColumn = original.column == null ? original.column : original.column + 1
           return `${PathUtils.formatPathMapping(resolve(path, original.source), original.line, oneBasedOriginalColumn)} <- ${PathUtils.formatPathMapping(path, line, column)}`
         } catch (e) {
-          log.warn(`SourceMap position not found for trace: ${input}`)
+          log.warn(`An unexpected error occurred while resolving the original position for: ${stackTracePath}`)
+          log.warn(e)
         }
       }