Chrome side of having the WebKit FileSystem API use WebPermissionClient for checking if using fil...

content/browser/content_browser_client.h

 // Copyright (c) 2011 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 CONTENT_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #pragma once
 
 #include <string>
 
@@ skipping 16 matching lines @@
 
 class ResourceContext;
 class WebUIFactory;
 
 // Embedder API for participating in browser logic.
 class ContentBrowserClient {
  public:
   // Notifies that a new RenderHostView has been created.
   virtual void RenderViewHostCreated(RenderViewHost* render_view_host);
 
-  // Notifies that a BrowserRenderProcessHost has been created.
+  // Notifies that a BrowserRenderProcessHost has been created. This is called
+  // before the content layer adds its own BrowserMessageFilters, so that the
+  // embedder's IPC filters have priority.
   virtual void BrowserRenderProcessHostCreated(BrowserRenderProcessHost* host);
 
-  // Notifies that a WorkerProcessHost has been created.
+  // Notifies that a WorkerProcessHost has been created. This is called
+  // before the content layer adds its own message filters, so that the
+  // embedder's IPC filters have priority.
   virtual void WorkerProcessHostCreated(WorkerProcessHost* host);
 
   // Gets the WebUIFactory which will be responsible for generating WebUIs.
   virtual WebUIFactory* GetWebUIFactory();
 
   // Get the effective URL for the given actual URL, to allow an embedder to
   // group different url schemes in the same SiteInstance.
   virtual GURL GetEffectiveURL(Profile* profile, const GURL& url);
 
   // See RenderViewHostDelegate's comment.
@@ skipping 37 matching lines @@
 
 #if defined(OS_LINUX)
   // Can return an optional fd for crash handling, otherwise returns -1.
   virtual int GetCrashSignalFD(const std::string& process_type);
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_CONTENT_BROWSER_CLIENT_H_