DevTools: [CodeMirror] Add syntax highlighting for some other languages.

Source/devtools/front_end/NetworkUISourceCodeProvider.js

Index: Source/devtools/front_end/NetworkUISourceCodeProvider.js
diff --git a/Source/devtools/front_end/NetworkUISourceCodeProvider.js b/Source/devtools/front_end/NetworkUISourceCodeProvider.js
index a3c641f4cd379c3a521979c785550964f0669145..3dd1c8c1211e550318ecd47d03a662c36998c19e 100644
--- a/Source/devtools/front_end/NetworkUISourceCodeProvider.js
+++ b/Source/devtools/front_end/NetworkUISourceCodeProvider.js
@@ -131,9 +131,11 @@ WebInspector.NetworkUISourceCodeProvider.prototype = {
             return;
         if (this._processedURLs[url])
             return;
+        var mimeType = type.canonicalMimeType();
+        var overridingContentProvider = new WebInspector.ContentProviderOverridingMimeType(contentProvider, mimeType);
         this._processedURLs[url] = true;
         var isEditable = type !== WebInspector.resourceTypes.Document;
-        this._networkWorkspaceProvider.addFileForURL(url, contentProvider, isEditable, isContentScript);
+        this._networkWorkspaceProvider.addFileForURL(url, overridingContentProvider, isEditable, isContentScript);
     },
 
     _reset: function()