DevTools: introduce uiSourceCode.mimeType() method

third_party/WebKit/Source/devtools/front_end/bindings/ContentProviderBasedProject.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 91 matching lines @@
     var parentPath = uiSourceCode.parentURL().replace(/^(?:https?|file)\:\/\//, '');
     try {
       parentPath = decodeURI(parentPath);
     } catch (e) {
     }
     return parentPath + '/' + uiSourceCode.displayName(true);
   }
 
   /**
    * @override
+   * @param {!Workspace.UISourceCode} uiSourceCode
+   * @return {string}
+   */
+  mimeType(uiSourceCode) {
+    return /** @type {string} */ (uiSourceCode[Bindings.ContentProviderBasedProject._mimeType]);
+  }
+
+  /**
+   * @override
    * @return {boolean}
    */
   canRename() {
     return false;
   }
 
   /**
    * @override
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {string} newName
@@ skipping 152 matching lines @@
    * @param {!Common.Progress} progress
    */
   indexContent(progress) {
     setImmediate(progress.done.bind(progress));
   }
 
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {!Common.ContentProvider} contentProvider
    * @param {?Workspace.UISourceCodeMetadata} metadata
+   * @param {string} mimeType
    */
-  addUISourceCodeWithProvider(uiSourceCode, contentProvider, metadata) {
+  addUISourceCodeWithProvider(uiSourceCode, contentProvider, metadata, mimeType) {
+    uiSourceCode[Bindings.ContentProviderBasedProject._mimeType] = mimeType;
     this._contentProviders[uiSourceCode.url()] = contentProvider;
     uiSourceCode[Bindings.ContentProviderBasedProject._metadata] = metadata;
     this.addUISourceCode(uiSourceCode, true);
   }
 
   /**
    * @param {string} url
    * @param {!Common.ContentProvider} contentProvider
+   * @param {string} mimeType
    * @return {!Workspace.UISourceCode}
    */
-  addContentProvider(url, contentProvider) {
+  addContentProvider(url, contentProvider, mimeType) {
     var uiSourceCode = this.createUISourceCode(url, contentProvider.contentType());
-    this.addUISourceCodeWithProvider(uiSourceCode, contentProvider, null);
+    this.addUISourceCodeWithProvider(uiSourceCode, contentProvider, null, mimeType);
     return uiSourceCode;
   }
 
   /**
    * @param {string} path
    */
   removeFile(path) {
     delete this._contentProviders[path];
     this.removeUISourceCode(path);
   }
 
   reset() {
     this._contentProviders = {};
     this.removeProject();
     this.workspace().addProject(this);
   }
 
   dispose() {
     this._contentProviders = {};
     this.removeProject();
   }
 };
 
 Bindings.ContentProviderBasedProject._metadata = Symbol('ContentProviderBasedProject.Metadata');
+Bindings.ContentProviderBasedProject._mimeType = Symbol('Bindings.ContentProviderBasedProject._mimeType');