Add extra data to BrowserContext so that content layer and other embedders can stash data with it t…

content/public/browser/browser_context.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 CONTENT_PUBLIC_BROWSER_BROWSER_CONTEXT_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_CONTEXT_H_
 #pragma once
 
 #include "base/hash_tables.h"
+#include "base/supports_user_data.h"
 #include "content/common/content_export.h"
 
 namespace fileapi {
 class FileSystemContext;
 }
 
 namespace net {
 class URLRequestContextGetter;
 }
 
@@ skipping 13 matching lines @@
 namespace content {
 
 class DownloadManager;
 class GeolocationPermissionContext;
 class HostZoomMap;
 class ResourceContext;
 class SpeechInputPreferences;
 
 // This class holds the context needed for a browsing session.
 // It lives on the UI thread.
-class CONTENT_EXPORT BrowserContext {
+class CONTENT_EXPORT BrowserContext : public base::SupportsUserData {
  public:
-  virtual ~BrowserContext();
+   virtual ~BrowserContext() {}
 
   // Returns the path of the directory where this context's data is stored.
   virtual FilePath GetPath() = 0;
 
   // Return whether this context is incognito. Default is false.
   // This doesn't belong here; http://crbug.com/89628
   virtual bool IsOffTheRecord() = 0;
 
   // Returns the DownloadManager associated with this context.
   virtual content::DownloadManager* GetDownloadManager() = 0;
@@ skipping 52 matching lines @@
 struct hash<content::BrowserContext*> {
   std::size_t operator()(content::BrowserContext* const& p) const {
     return reinterpret_cast<std::size_t>(p);
   }
 };
 
 }  // namespace BASE_HASH_NAMESPACE
 #endif
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_CONTEXT_H_