Revert of aura: Require explicit ownership of the Env instance.

content/public/test/unittest_test_suite.h

Index: content/public/test/unittest_test_suite.h
diff --git a/content/public/test/unittest_test_suite.h b/content/public/test/unittest_test_suite.h
index 6009e24485cd0103ded4d5d1cfb787a6c7a0e6d6..b59cdd09124d93af8829dab5abf94956ec2629ee 100644
--- a/content/public/test/unittest_test_suite.h
+++ b/content/public/test/unittest_test_suite.h
@@ -7,12 +7,6 @@
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
-
-#if defined(USE_AURA)
-namespace aura {
-class Env;
-}
-#endif
 
 namespace base {
 class TestSuite;
@@ -40,9 +34,6 @@
 #if !defined(OS_IOS)
   scoped_ptr<TestBlinkWebUnitTestSupport> blink_test_support_;
 #endif
-#if defined(USE_AURA)
-  scoped_ptr<aura::Env> env_;
-#endif
 
   DISALLOW_COPY_AND_ASSIGN(UnitTestTestSuite);
 };