Add the scheme chrome-distiller:// and hook up data source.

chrome/browser/chrome_content_browser_client.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_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 59 matching lines @@
       content::WebContents* embedder_web_contents,
       const base::DictionaryValue& extra_params) OVERRIDE;
   virtual void RenderProcessWillLaunch(
       content::RenderProcessHost* host) OVERRIDE;
   virtual bool ShouldUseProcessPerSite(content::BrowserContext* browser_context,
                                        const GURL& effective_url) OVERRIDE;
   virtual GURL GetEffectiveURL(content::BrowserContext* browser_context,
                                const GURL& url) OVERRIDE;
   virtual void GetAdditionalWebUISchemes(
       std::vector<std::string>* additional_schemes) OVERRIDE;
+  virtual void GetAdditionalSchemesForViewSource(
+      std::vector<std::string>* additional_schemes) OVERRIDE;
   virtual net::URLRequestContextGetter* CreateRequestContext(
       content::BrowserContext* browser_context,
       content::ProtocolHandlerMap* protocol_handlers) OVERRIDE;
   virtual net::URLRequestContextGetter* CreateRequestContextForStoragePartition(
       content::BrowserContext* browser_context,
       const base::FilePath& partition_path,
       bool in_memory,
       content::ProtocolHandlerMap* protocol_handlers) OVERRIDE;
   virtual bool IsHandledURL(const GURL& url) OVERRIDE;
   virtual bool CanCommitURL(content::RenderProcessHost* process_host,
@@ skipping 188 matching lines @@
 #endif
   scoped_ptr<extensions::BrowserPermissionsPolicyDelegate>
       permissions_policy_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_