Faster Reload: Specify AllowCaching = false for some URLDataSources that need it

chrome/browser/ui/webui/favicon_source.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_FAVICON_SOURCE_H_
 #define CHROME_BROWSER_UI_WEBUI_FAVICON_SOURCE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 59 matching lines @@
 
   ~FaviconSource() override;
 
   // content::URLDataSource implementation.
   std::string GetSource() const override;
   void StartDataRequest(
       const std::string& path,
       const content::ResourceRequestInfo::WebContentsGetter& wc_getter,
       const content::URLDataSource::GotDataCallback& callback) override;
   std::string GetMimeType(const std::string&) const override;
+  bool AllowCaching() const override;
   bool ShouldReplaceExistingSource() const override;
   bool ShouldServiceRequest(const net::URLRequest* request) const override;
 
  protected:
   struct IconRequest {
     IconRequest();
     IconRequest(const content::URLDataSource::GotDataCallback& cb,
                 const GURL& path,
                 int size,
                 float scale);
@@ skipping 37 matching lines @@
 
   base::CancelableTaskTracker cancelable_task_tracker_;
 
   // The favicon_base::IconTypes of icon that this FaviconSource handles.
   int icon_types_;
 
   DISALLOW_COPY_AND_ASSIGN(FaviconSource);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_FAVICON_SOURCE_H_