Remove untrusted scripting support.

ppapi/proxy/ppapi_proxy_test.h

Index: ppapi/proxy/ppapi_proxy_test.h
diff --git a/ppapi/proxy/ppapi_proxy_test.h b/ppapi/proxy/ppapi_proxy_test.h
index 373f8e36bad3c860d5dd1a8a30e523c433537285..775b75c03a2125f5973f92d7fa1257f96ca435ce 100644
--- a/ppapi/proxy/ppapi_proxy_test.h
+++ b/ppapi/proxy/ppapi_proxy_test.h
@@ -137,6 +137,8 @@ class PluginProxyTest : public PluginProxyTestHarness, public testing::Test {
   // testing::Test implementation.
   virtual void SetUp();
   virtual void TearDown();
+ private:
+  MessageLoop message_loop_;
 };
 
 class HostProxyTestHarness : public ProxyTestHarnessBase {
@@ -191,6 +193,8 @@ class HostProxyTest : public HostProxyTestHarness, public testing::Test {
   // testing::Test implementation.
   virtual void SetUp();
   virtual void TearDown();
+ private:
+  MessageLoop message_loop_;
 };
 
 // Use this base class to test both sides of a proxy.