Moved MIME types and MIME sniffer to utils.

Author: MarkusBordihn

src/cache/cache.js

@@ -26,6 +26,7 @@ goog.require('cwc.renderer.Helper');
 goog.require('cwc.utils.Database');
 goog.require('cwc.utils.Logger');
 goog.require('cwc.utils.Resources');
+goog.require('cwc.utils.mime.getTypeByExtension');
 
 
 /**
@@ -147,7 +148,7 @@ cwc.Cache.prototype.addFile = function(name, content, optimize = false) {
       }
     }
   }
-  let mimeType = cwc.file.getMimeTypeByExtension(name);
+  let mimeType = cwc.utils.mime.getTypeByExtension(name);
   let fileContent = this.rendererHelper.getDataUrl(content, mimeType);
   if (!fileContent) {
     this.log_.error('Received empty file for', name);

src/file/file.js

@@ -19,7 +19,7 @@
  */
 goog.provide('cwc.file.File');
 
-goog.require('cwc.file.getMimeTypeByNameAndContent');
+goog.require('cwc.utils.mime.getTypeByNameAndContent');
 
 
 /**
@@ -39,7 +39,7 @@ cwc.file.File = function(name, content, type, size) {
   this.content_ = content || '';
 
   /** @private {string} */
-  this.type_ = type || cwc.file.getMimeTypeByNameAndContent(name, content);
+  this.type_ = type || cwc.utils.mime.getTypeByNameAndContent(name, content);
 
   /** @private {string} */
   this.mediaType_ = cwc.file.File.getMediaType(this.type_);