Refactor downloads into a ProfileKeyedService.

content/browser/browser_context.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_BROWSER_CONTEXT_H_
 #define CONTENT_BROWSER_BROWSER_CONTEXT_H_
 #pragma once
 
 #include "base/hash_tables.h"
 
@@ skipping 40 matching lines @@
   // This doesn't belong here; http://crbug.com/89628
   virtual bool IsOffTheRecord() = 0;
 
   // Retrieves a pointer to the SSLHostState associated with this context.
   // The SSLHostState is lazily created the first time that this method is
   // called.
   virtual SSLHostState* GetSSLHostState() = 0;
 
   // Returns the DownloadManager associated with this context.
   virtual DownloadManager* GetDownloadManager() = 0;
-  virtual bool HasCreatedDownloadManager() const = 0;
 
   // Returns the request context information associated with this context.  Call
   // this only on the UI thread, since it can send notifications that should
   // happen on the UI thread.
   virtual net::URLRequestContextGetter* GetRequestContext() = 0;
 
   // Returns the request context appropriate for the given renderer. If the
   // renderer process doesn't have an associated installed app, or if the
   // installed app's is_storage_isolated() returns false, this is equivalent to
   // calling GetRequestContext().
@@ skipping 42 matching lines @@
 struct hash<content::BrowserContext*> {
   std::size_t operator()(content::BrowserContext* const& p) const {
     return reinterpret_cast<std::size_t>(p);
   }
 };
 
 }  // namespace __gnu_cxx
 #endif
 
 #endif  // CONTENT_BROWSER_BROWSER_CONTEXT_H_