Cleanup: Remove unneeded includes of chrome_switches.h.

chrome/renderer/search_extension.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/renderer/search_extension.h"
 
+#include <string>
+#include <vector>
+
 #include "base/command_line.h"
-#include "chrome/common/chrome_switches.h"
 #include "chrome/common/render_messages_params.h"
 #include "chrome/renderer/render_view.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
 #include "v8/include/v8.h"
 
 using WebKit::WebFrame;
 using WebKit::WebView;
 
 namespace extensions_v8 {
 
@@ skipping 63 matching lines @@
   suggestions.push_back(std::string(*v8::String::Utf8Value(args[0])));
   render_view->SetSuggestions(suggestions);
   return v8::Undefined();
 }
 
 v8::Extension* SearchExtension::Get() {
   return new SearchExtensionWrapper();
 }
 
 }  // namespace extensions_v8