win: Fix remaining plugin warnings in ash, device, printing, sandbox.

ash/test/test_suite.cc

Index: ash/test/test_suite.cc
diff --git a/ash/test/test_suite.cc b/ash/test/test_suite.cc
index 4f1ead03e2d41ffd50cc3b34a9a4fb31a030c574..d368a2120a2c90fe349148b40039b59ed7b3fe66 100644
--- a/ash/test/test_suite.cc
+++ b/ash/test/test_suite.cc
@@ -25,7 +25,11 @@ namespace ash {
 namespace test {
 
 AuraShellTestSuite::AuraShellTestSuite(int argc, char** argv)
-    : TestSuite(argc, argv) {}
+    : TestSuite(argc, argv) {
+}
+
+AuraShellTestSuite::~AuraShellTestSuite() {
+}
 
 void AuraShellTestSuite::Initialize() {
   base::TestSuite::Initialize();