Revert 117399 - Make it possible to have 1 PpapiGlobals per thread. Update unit tests.

ppapi/proxy/serialized_var_unittest.cc

Index: ppapi/proxy/serialized_var_unittest.cc
===================================================================
--- ppapi/proxy/serialized_var_unittest.cc	(revision 117413)
+++ ppapi/proxy/serialized_var_unittest.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -115,8 +115,7 @@
   EXPECT_EQ(0u, sink().message_count());
 }
 
-// Tests receiving an argument and passing it back to the browser as an output
-// parameter.
+// Tests receiving an argument and passing it back out as an output parameter.
 TEST_F(SerializedVarTest, PluginSerializedVarOutParam) {
   PP_Var host_object = MakeObjectVar(0x31337);