Update shelf spacing in Chrome OS according to the MD specs

chrome/test/base/view_event_test_platform_part_chromeos.cc

Index: chrome/test/base/view_event_test_platform_part_chromeos.cc
diff --git a/chrome/test/base/view_event_test_platform_part_chromeos.cc b/chrome/test/base/view_event_test_platform_part_chromeos.cc
index bdd8c12f5a69f17d72a251d0393852d29abc6466..9382bc2b43f41a46c836c5303bef966c22cb1793 100644
--- a/chrome/test/base/view_event_test_platform_part_chromeos.cc
+++ b/chrome/test/base/view_event_test_platform_part_chromeos.cc
@@ -11,6 +11,7 @@
 #include "ash/shell.h"
 #include "ash/shell_init_params.h"
 #include "ash/test/ash_test_helper.h"
+#include "ash/test/material_design_controller_test_api.h"
 #include "ash/test/test_session_state_delegate.h"
 #include "ash/test/test_shell_delegate.h"
 #include "base/command_line.h"
@@ -86,6 +87,7 @@ ViewEventTestPlatformPartChromeOS::~ViewEventTestPlatformPartChromeOS() {
   // Ash Shell can't just live on its own without a browser process, we need to
   // also shut down the message center.
   message_center::MessageCenter::Shutdown();
+  ash::test::MaterialDesignControllerTestAPI::Uninitialize();

[James Cook, 2016/06/13 21:43:17]

nit: Move this to line 82, so you uninitialize things in the opposite order to
how you initialize them.

[yiyix, 2016/06/14 05:55:27]

Will commit this change in a different CL because this is a fix for test cases.

 }
 
 }  // namespace