Revert 48186, 48196, 48198

chrome/app/chrome_dll_main.cc

Index: chrome/app/chrome_dll_main.cc
diff --git a/chrome/app/chrome_dll_main.cc b/chrome/app/chrome_dll_main.cc
index ca682a5e7e303028d8c70c7f2ea9d26356d027ce..edfadd963f063f4005e9893b9d02dba2fe2af5a7 100644
--- a/chrome/app/chrome_dll_main.cc
+++ b/chrome/app/chrome_dll_main.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009 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.
 
@@ -524,7 +524,7 @@ int ChromeMain(int argc, char** argv) {
 
     browser_pid =
         static_cast<base::ProcessId>(StringToInt(WideToASCII(channel_name)));
-    DCHECK_NE(browser_pid, 0u);
+    DCHECK_NE(browser_pid, 0);
 #else
     browser_pid = base::GetCurrentProcId();
 #endif