Make URLDataSource::GetSource() const.

chrome/browser/ui/webui/chromeos/proxy_settings_ui.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 "chrome/browser/ui/webui/chromeos/proxy_settings_ui.h"
 
 #include "base/memory/ref_counted_memory.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/values.h"
@@ skipping 15 matching lines @@
 using content::WebContents;
 using content::WebUIMessageHandler;
 
 namespace {
 
 class ProxySettingsHTMLSource : public content::URLDataSource {
  public:
   explicit ProxySettingsHTMLSource(DictionaryValue* localized_strings);
 
   // content::URLDataSource implementation.
-  virtual std::string GetSource() OVERRIDE;
+  virtual std::string GetSource() const OVERRIDE;
   virtual void StartDataRequest(
       const std::string& path,
       bool is_incognito,
       const content::URLDataSource::GotDataCallback& callback) OVERRIDE;
   virtual std::string GetMimeType(const std::string&) const OVERRIDE {
     return "text/html";
   }
   virtual bool ShouldAddContentSecurityPolicy() const OVERRIDE {
     return false;
   }
 
  protected:
   virtual ~ProxySettingsHTMLSource() {}
 
  private:
   scoped_ptr<DictionaryValue> localized_strings_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxySettingsHTMLSource);
 };
 
 ProxySettingsHTMLSource::ProxySettingsHTMLSource(
     DictionaryValue* localized_strings)
     : localized_strings_(localized_strings) {
 }
 
-std::string ProxySettingsHTMLSource::GetSource() {
+std::string ProxySettingsHTMLSource::GetSource() const {
   return chrome::kChromeUIProxySettingsHost;
 }
 
 void ProxySettingsHTMLSource::StartDataRequest(
     const std::string& path,
     bool is_incognito,
     const content::URLDataSource::GotDataCallback& callback) {
   webui::SetFontAndTextDirection(localized_strings_.get());
 
   static const base::StringPiece html(
@@ skipping 42 matching lines @@
   core_handler_->InitializePage();
   proxy_handler_->InitializePage();
   Profile* profile = Profile::FromWebUI(web_ui());
   PrefProxyConfigTracker* proxy_tracker = profile->GetProxyConfigTracker();
   proxy_tracker->UIMakeActiveNetworkCurrent();
   std::string network_name;
   proxy_tracker->UIGetCurrentNetworkName(&network_name);
 }
 
 }  // namespace chromeos