aw: Use comparison DCHECKs where appropriate

android_webview/native/state_serializer.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 "android_webview/native/state_serializer.h"
 
 #include <string>
 
 #include "base/memory/scoped_vector.h"
 #include "base/pickle.h"
@@ skipping 32 matching lines @@
                    Pickle* pickle) {
   DCHECK(pickle);
 
   if (!internal::WriteHeaderToPickle(pickle))
     return false;
 
   const content::NavigationController& controller =
       web_contents.GetController();
   const int entry_count = controller.GetEntryCount();
   const int selected_entry = controller.GetCurrentEntryIndex();
-  DCHECK(entry_count >= 0);
-  DCHECK(selected_entry >= -1);  // -1 is valid
-  DCHECK(selected_entry < entry_count);
+  DCHECK_GE(entry_count, 0);
+  DCHECK_GE(selected_entry, -1);  // -1 is valid
+  DCHECK_LT(selected_entry, entry_count);
 
   if (!pickle->WriteInt(entry_count))
     return false;
 
   if (!pickle->WriteInt(selected_entry))
     return false;
 
   for (int i = 0; i < entry_count; ++i) {
     if (!internal::WriteNavigationEntryToPickle(*controller.GetEntryAtIndex(i),
                                                 pickle))
@@ skipping 215 matching lines @@
       return false;
     entry->SetHttpStatusCode(http_status_code);
   }
 
   return true;
 }
 
 }  // namespace internal
 
 }  // namespace android_webview