Implement local NTP for fallback.

chrome/browser/search/local_ntp_source.h

 // Copyright 2013 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.
 
-#ifndef CHROME_BROWSER_SEARCH_LOCAL_OMNIBOX_POPUP_SOURCE_H_
-#define CHROME_BROWSER_SEARCH_LOCAL_OMNIBOX_POPUP_SOURCE_H_
+#ifndef CHROME_BROWSER_SEARCH_LOCAL_NTP_SOURCE_H_
+#define CHROME_BROWSER_SEARCH_LOCAL_NTP_SOURCE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "content/public/browser/url_data_source.h"
 
-// Serves HTML and resources for the local omnibox popup i.e.
-// chrome-search://local-omnibox-popup/local_omnibox_popup.html
-class LocalOmniboxPopupSource : public content::URLDataSource {
+// Serves HTML and resources for the local new tab page i.e.
+// chrome-search://local-ntp/local-ntp.html
+class LocalNtpSource : public content::URLDataSource {
  public:
-  LocalOmniboxPopupSource();
+  LocalNtpSource();
 
-  // content::URLDataSource overrides.
+ private:
+  virtual ~LocalNtpSource();
+
+  // Overridden from content::URLDataSource:
   virtual std::string GetSource() OVERRIDE;
   virtual void StartDataRequest(
       const std::string& path,
       bool is_incognito,
       const content::URLDataSource::GotDataCallback& callback) OVERRIDE;
   virtual std::string GetMimeType(const std::string& path) const OVERRIDE;
   virtual bool ShouldServiceRequest(
       const net::URLRequest* request) const OVERRIDE;
-  virtual std::string GetContentSecurityPolicyFrameSrc() const OVERRIDE;
 
- private:
-  virtual ~LocalOmniboxPopupSource();
-
-  DISALLOW_COPY_AND_ASSIGN(LocalOmniboxPopupSource);
+  DISALLOW_COPY_AND_ASSIGN(LocalNtpSource);
 };
 
-#endif  // CHROME_BROWSER_SEARCH_LOCAL_OMNIBOX_POPUP_SOURCE_H_
+#endif  // CHROME_BROWSER_SEARCH_LOCAL_NTP_SOURCE_H_