Pure pedantry: Replace all ".size() == 0" with ".empty()".

chrome/browser/renderer_host/browser_render_process_host.cc

 // 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 192 matching lines @@
 
     if (!has_receiver_)
       return;
 
     if (reset_needed_) {
       sender->Send(new ViewMsg_VisitedLink_Reset());
       reset_needed_ = false;
       return;
     }
 
-    if (pending_.size() == 0)
+    if (pending_.empty())
       return;
 
     sender->Send(new ViewMsg_VisitedLink_Add(pending_));
 
     pending_.clear();
   }
 
   // Notifies the updater that it is now safe to send visited state updates.
   void ReceiverReady(IPC::Channel::Sender* sender) {
     has_receiver_ = true;
@@ skipping 1057 matching lines @@
     IPC::PlatformFileForTransit file;
 #if defined(OS_POSIX)
     file = base::FileDescriptor(model_file, false);
 #elif defined(OS_WIN)
     ::DuplicateHandle(::GetCurrentProcess(), model_file, GetHandle(), &file, 0,
                       false, DUPLICATE_SAME_ACCESS);
 #endif
     Send(new ViewMsg_SetPhishingModel(file));
   }
 }