Gallery: Support RAW files in Gallery.

ui/file_manager/file_manager/common/js/file_type.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * Namespace object for file type utility functions.
  */
 var FileType = {};
 
 /**
@@ skipping 27 matching lines @@
     pattern: /\.webp$/i
   },
   {
     type: 'image', name: 'IMAGE_FILE_TYPE', subtype: 'TIFF',
     pattern: /\.tiff?$/i
   },
 
   // Raw
   {
     type: 'raw', name: 'IMAGE_FILE_TYPE', subtype: 'ARW',
-    pattern: /\.arw?$/i, icon: 'image'
+    pattern: /\.arw$/i, icon: 'image'
   },
   {
     type: 'raw', name: 'IMAGE_FILE_TYPE', subtype: 'CR2',
-    pattern: /\.cr2?$/i, icon: 'image'
+    pattern: /\.cr2$/i, icon: 'image'
   },
   {
     type: 'raw', name: 'IMAGE_FILE_TYPE', subtype: 'DNG',
-    pattern: /\.dng?$/i, icon: 'image'
+    pattern: /\.dng$/i, icon: 'image'
   },
   {
     type: 'raw', name: 'IMAGE_FILE_TYPE', subtype: 'NEF',
-    pattern: /\.nef?$/i, icon: 'image'
+    pattern: /\.nef$/i, icon: 'image'
   },
   {
     type: 'raw', name: 'IMAGE_FILE_TYPE', subtype: 'NRW',
-    pattern: /\.nrw?$/i, icon: 'image'
+    pattern: /\.nrw$/i, icon: 'image'
   },
   {
-    type: 'raw', name: 'IMAGE_FILE_TYPE', subtype: 'ORW',
-    pattern: /\.orf?$/i, icon: 'image'
+    type: 'raw', name: 'IMAGE_FILE_TYPE', subtype: 'ORF',
+    pattern: /\.orf$/i, icon: 'image'
   },
   {
     type: 'raw', name: 'IMAGE_FILE_TYPE', subtype: 'RAF',
-    pattern: /\.raf?$/i, icon: 'image'
+    pattern: /\.raf$/i, icon: 'image'
   },
   {
     type: 'raw', name: 'IMAGE_FILE_TYPE', subtype: 'RW2',
-    pattern: /\.rw2?$/i, icon: 'image'
+    pattern: /\.rw2$/i, icon: 'image'
   },
 
   // Video
   {
     type: 'video', name: 'VIDEO_FILE_TYPE', subtype: '3GP',
     pattern: /\.3gp$/i
   },
   {
     type: 'video', name: 'VIDEO_FILE_TYPE', subtype: 'AVI',
     pattern: /\.avi$/i
@@ skipping 278 matching lines @@
 
 /**
  * @param {Entry} entry Reference to the file.
  * @return {string} Returns string that represents the file icon.
  *     It refers to a file 'images/filetype_' + icon + '.png'.
  */
 FileType.getIcon = function(entry) {
   var fileType = FileType.getType(entry);
   return fileType.icon || fileType.type || 'unknown';
 };