app_list: Fix app_list_unittests crash.

ui/app_list/test/app_list_test_suite.cc

Index: ui/app_list/test/app_list_test_suite.cc
diff --git a/ui/app_list/test/app_list_test_suite.cc b/ui/app_list/test/app_list_test_suite.cc
index cfa88f1c1fbfc52f843176304a1cbbe6af5cdabf..e38a3482adc6473964ec3c7de3d8d855441d3b38 100644
--- a/ui/app_list/test/app_list_test_suite.cc
+++ b/ui/app_list/test/app_list_test_suite.cc
@@ -6,6 +6,8 @@
 
 #include "ui/base/ui_base_paths.h"
 #include "ui/base/resource/resource_bundle.h"
+#include "ui/compositor/compositor_setup.h"
+#include "ui/compositor/test/compositor_test_support.h"
 
 namespace app_list {
 namespace test {
@@ -22,9 +24,13 @@ void AppListTestSuite::Initialize() {
   // Force unittests to run using en-US so if we test against string
   // output, it'll pass regardless of the system language.
   ui::ResourceBundle::InitSharedInstanceWithLocale("en-US", NULL);
+
+  ui::CompositorTestSupport::Initialize();
+  ui::SetupTestCompositor();
 }
 
 void AppListTestSuite::Shutdown() {
+  ui::CompositorTestSupport::Terminate();
   ui::ResourceBundle::CleanupSharedInstance();
 
   base::TestSuite::Shutdown();