Mojo: cancel pending AsyncWait calls when the callers thread exits

mojo/apps/js/test/js_to_cpp_unittest.cc

Index: mojo/apps/js/test/js_to_cpp_unittest.cc
diff --git a/mojo/apps/js/test/js_to_cpp_unittest.cc b/mojo/apps/js/test/js_to_cpp_unittest.cc
index 90a927554f95c2dd3e5bb9ca1958c3bb5c5214a4..d9e4cbdccf473237c5a9449ebcdef40cdc9e3a05 100644
--- a/mojo/apps/js/test/js_to_cpp_unittest.cc
+++ b/mojo/apps/js/test/js_to_cpp_unittest.cc
@@ -179,7 +179,6 @@ class CppSideConnection : public js_to_cpp::CppSide {
   js_to_cpp::JsSide* js_side_;
 
  private:
-  Environment environment;
   DISALLOW_COPY_AND_ASSIGN(CppSideConnection);
 };
 
@@ -314,6 +313,7 @@ class JsToCppTest : public testing::Test {
   }
 
  private:
+  Environment environment;
   base::MessageLoop loop;
   base::RunLoop run_loop_;