Files.app: Move ContentMetadataProvider from ThumbnailModel to FileSystemMetadata.

ui/file_manager/file_manager/foreground/js/metadata/file_system_metadata_unittest.js

Index: ui/file_manager/file_manager/foreground/js/metadata/file_system_metadata_unittest.js
diff --git a/ui/file_manager/file_manager/foreground/js/metadata/file_system_metadata_unittest.js b/ui/file_manager/file_manager/foreground/js/metadata/file_system_metadata_unittest.js
index a9a4d3ebf4fb970f9cd07b4da8a8c32e1633658e..0b6e8f957ee8bb8480e241afce9ab13f1e6a11f1 100644
--- a/ui/file_manager/file_manager/foreground/js/metadata/file_system_metadata_unittest.js
+++ b/ui/file_manager/file_manager/foreground/js/metadata/file_system_metadata_unittest.js
@@ -16,22 +16,34 @@ function testFileSystemMetadataBasic(callback) {
       cache,
       // Mocking FileSystemMetadataProvider.
       {
-        get: function(urls) {
-          assertEquals(1, urls.length);
-          assertEquals('filesystem://A', urls[0].toURL());
+        get: function(entries) {
+          assertEquals(1, entries.length);
+          assertEquals('filesystem://A', entries[0].toURL());
           return Promise.resolve(
               [{modificationTime: new Date(2015, 0, 1), size: 1024}]);
         }
       },
       // Mocking ExternalMetadataProvider.
       {
-        get: function(urls) {
-          assertEquals(1, urls.length);
-          assertEquals('filesystem://B', urls[0].toURL());
+        get: function(entries) {
+          assertEquals(1, entries.length);
+          assertEquals('filesystem://B', entries[0].toURL());
           return Promise.resolve(
               [{modificationTime: new Date(2015, 1, 2), size: 2048}]);
         }
       },
+      // Mocking ContentMetadataProvider.
+      {
+        get: function(entries) {
+          assertEquals(2, entries.length);
+          assertEquals('filesystem://A', entries[0].toURL());
+          assertEquals('filesystem://B', entries[1].toURL());
+          return Promise.resolve([
+            {contentThumbnailUrl: 'THUMBNAIL_URL_A'},
+            {contentThumbnailUrl: 'THUMBNAIL_URL_B'}
+          ]);
+        }
+      },
       // Mocking VolumeManagerWrapper.
       {
         getVolumeInfo: function(entry) {
@@ -48,16 +60,20 @@ function testFileSystemMetadataBasic(callback) {
         }
       });
   reportPromise(
-      model.get([entryA, entryB], ['size', 'modificationTime']).then(
+      model.get(
+          [entryA, entryB],
+          ['size', 'modificationTime', 'contentThumbnailUrl']).then(
           function(results) {
             assertEquals(2, results.length);
             assertEquals(
                 new Date(2015, 0, 1).toString(),
                 results[0].modificationTime.toString());
             assertEquals(1024, results[0].size);
+            assertEquals('THUMBNAIL_URL_A', results[0].contentThumbnailUrl);
             assertEquals(
                 new Date(2015, 1, 2).toString(),
                 results[1].modificationTime.toString());
             assertEquals(2048, results[1].size);
+            assertEquals('THUMBNAIL_URL_B', results[1].contentThumbnailUrl);
           }), callback);
 }