Move IPC tests into anonymous namespaces.

ipc/ipc_message_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "ipc/ipc_message.h"
 
 #include <string.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "ipc/ipc_message_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+namespace {
+
 TEST(IPCMessageTest, ListValue) {
   ListValue input;
   input.Set(0, Value::CreateDoubleValue(42.42));
   input.Set(1, Value::CreateStringValue("forty"));
   input.Set(2, Value::CreateNullValue());
 
   IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
   IPC::WriteParam(&msg, input);
 
   ListValue output;
@@ skipping 36 matching lines @@
   EXPECT_TRUE(IPC::ReadParam(&msg, &iter, &output));
 
   EXPECT_TRUE(input.Equals(&output));
 
   // Also test the corrupt case.
   IPC::Message bad_msg(1, 2, IPC::Message::PRIORITY_NORMAL);
   bad_msg.WriteInt(99);
   iter = PickleIterator(bad_msg);
   EXPECT_FALSE(IPC::ReadParam(&bad_msg, &iter, &output));
 }
+
+}  // namespace