Refactor downloads into a ProfileKeyedService.

chrome/browser/profiles/profile.h

Index: chrome/browser/profiles/profile.h
diff --git a/chrome/browser/profiles/profile.h b/chrome/browser/profiles/profile.h
index 8c3b742b77919ac3a69f2f65e8a29d571ec11e3b..00510952d43793aa18845ae608d9a3fa2ad733b2 100644
--- a/chrome/browser/profiles/profile.h
+++ b/chrome/browser/profiles/profile.h
@@ -54,7 +54,6 @@ class Predictor;
 class AutocompleteClassifier;
 class BookmarkModel;
 class ChromeAppCacheService;
-class ChromeDownloadManagerDelegate;
 class ChromeURLDataManager;
 class Extension;
 class ExtensionDevToolsManager;
@@ -191,7 +190,6 @@ class Profile : public content::BrowserContext {
   virtual FilePath GetPath() = 0;
   virtual SSLHostState* GetSSLHostState() = 0;
   virtual DownloadManager* GetDownloadManager() = 0;
-  virtual bool HasCreatedDownloadManager() const = 0;
   virtual net::URLRequestContextGetter* GetRequestContext() = 0;
   virtual net::URLRequestContextGetter* GetRequestContextForRenderProcess(
       int renderer_child_id) = 0;
@@ -544,13 +542,6 @@ class Profile : public content::BrowserContext {
   static net::URLRequestContextGetter* default_request_context_;
 
  private:
-  friend class DownloadTest;
-
-  // Allow replacement of the download manager delegate, for interposition
-  // on browser tests.  Note that this takes ownership of |delegate|.
-  virtual void SetDownloadManagerDelegate(
-      ChromeDownloadManagerDelegate* delegate) = 0;
-
   // ***DEPRECATED**: You should be passing in the specific profile's
   // URLRequestContextGetter or using the system URLRequestContextGetter.
   //