[MD Bookmarks] Refactor window timer mocking.

chrome/browser/resources/md_bookmarks/compiled_resources2.gyp

Index: chrome/browser/resources/md_bookmarks/compiled_resources2.gyp
diff --git a/chrome/browser/resources/md_bookmarks/compiled_resources2.gyp b/chrome/browser/resources/md_bookmarks/compiled_resources2.gyp
index ec5928a3ef1690ed7af38a2b55b258f55bc5cbd3..ad455e292a45219aa6ab0d4f50832d3f04beb998 100644
--- a/chrome/browser/resources/md_bookmarks/compiled_resources2.gyp
+++ b/chrome/browser/resources/md_bookmarks/compiled_resources2.gyp
@@ -62,6 +62,7 @@
         '<(EXTERNS_GYP):bookmark_manager_private',
         '<(EXTERNS_GYP):metrics_private',
         'store',
+        'timer_proxy',
         'types',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi']
@@ -155,12 +156,20 @@
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi']
     },
+    {
+      'target_name': 'timer_proxy',
+      'dependencies': [
+        '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
+      ],
+      'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
+    },
     {
       'target_name': 'toast_manager',
       'dependencies': [
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
         '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:load_time_data',
         '<(DEPTH)/third_party/polymer/v1_0/components-chromium/paper-button/compiled_resources2.gyp:paper-button-extracted',
+        'timer_proxy',
       ],
       'includes': ['../../../../third_party/closure_compiler/compile_js2.gypi'],
     },