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

chrome/browser/extensions/user_script_master.cc

 // Copyright (c) 2010 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 "chrome/browser/extensions/user_script_master.h"
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
@@ skipping 17 matching lines @@
 static bool GetDeclarationValue(const base::StringPiece& line,
                                 const base::StringPiece& prefix,
                                 std::string* value) {
   base::StringPiece::size_type index = line.find(prefix);
   if (index == base::StringPiece::npos)
     return false;
 
   std::string temp(line.data() + index + prefix.length(),
                    line.length() - index - prefix.length());
 
-  if (temp.size() == 0 || !IsWhitespace(temp[0]))
+  if (temp.empty() || !IsWhitespace(temp[0]))
     return false;
 
   TrimWhitespaceASCII(temp, TRIM_ALL, value);
   return true;
 }
 
 UserScriptMaster::ScriptReloader::ScriptReloader(UserScriptMaster* master)
     : master_(master) {
   CHECK(BrowserThread::GetCurrentThreadIdentifier(&master_thread_id_));
 }
@@ skipping 69 matching lines @@
       }
 
       // TODO(aa): Handle more types of metadata.
     }
 
     line_start = line_end + 1;
   }
 
   // If no patterns were specified, default to @include *. This is what
   // Greasemonkey does.
-  if (script->globs().size() == 0 && script->url_patterns().size() == 0)
+  if (script->globs().empty() && script->url_patterns().empty())
     script->add_glob("*");
 
   return true;
 }
 
 void UserScriptMaster::ScriptReloader::StartScan(
     const FilePath& script_dir, const UserScriptList& lone_scripts) {
   // Add a reference to ourselves to keep ourselves alive while we're running.
   // Balanced by NotifyMaster().
   AddRef();
@@ skipping 258 matching lines @@
       DCHECK(false);
   }
 }
 
 void UserScriptMaster::StartScan() {
   if (!script_reloader_)
     script_reloader_ = new ScriptReloader(this);
 
   script_reloader_->StartScan(user_script_dir_, lone_scripts_);
 }