Integration tests restore_geometry.js: document

Document these tests, and remove redundant "State" from then end of a
the geometry maximized test.

No-Presubmit: true
Bug: 836254
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I261dc8083e19eae5b6252916b6abecb64eef57e1
Reviewed-on: https://chromium-review.googlesource.com/1056749
Commit-Queue: Noel Gordon <noel@chromium.org>
Reviewed-by: Luciano Pacheco (SYD) <lucmult@chromium.org>
Cr-Commit-Position: refs/heads/master@{#558195}

chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

@@ -282,7 +282,7 @@ WRAPPED_INSTANTIATE_TEST_CASE_P(
     ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "restoreGeometry"),
                       TestParameter(IN_GUEST_MODE, "restoreGeometry"),
                       TestParameter(NOT_IN_GUEST_MODE,
-                                    "restoreGeometryMaximizedState")));
+                                    "restoreGeometryMaximized")));
 
 WRAPPED_INSTANTIATE_TEST_CASE_P(
     Traverse,

ui/file_manager/integration_tests/file_manager/restore_geometry.js

@@ -5,7 +5,7 @@
 'use strict';
 
 /**
- * Tests restoring geometry of the Files app.
+ * Tests restoring window geometry of the Files app.
  */
 testcase.restoreGeometry = function() {
   var appId;
@@ -50,7 +50,10 @@ testcase.restoreGeometry = function() {
   ]);
 };
 
-testcase.restoreGeometryMaximizedState = function() {
+/**
+ * Tests restoring a maximized Files app window.
+ */
+testcase.restoreGeometryMaximized = function() {
   var appId;
   var appId2;
   var caller = getCaller();