predictors: Refactor resource_prefetch_predictor triggering.

chrome/browser/net/resource_prefetch_predictor_observer.h

Index: chrome/browser/net/resource_prefetch_predictor_observer.h
diff --git a/chrome/browser/net/resource_prefetch_predictor_observer.h b/chrome/browser/net/resource_prefetch_predictor_observer.h
deleted file mode 100644
index 4801540ce9be4e4b8c414fd8be20e694a61fae84..0000000000000000000000000000000000000000
--- a/chrome/browser/net/resource_prefetch_predictor_observer.h
+++ /dev/null
@@ -1,82 +0,0 @@
-// Copyright 2014 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_NET_RESOURCE_PREFETCH_PREDICTOR_OBSERVER_H_
-#define CHROME_BROWSER_NET_RESOURCE_PREFETCH_PREDICTOR_OBSERVER_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/predictors/resource_prefetch_predictor.h"
-#include "content/public/browser/resource_request_info.h"
-#include "content/public/common/resource_type.h"
-
-namespace net {
-class URLRequest;
-}
-
-class GURL;
-
-namespace chrome_browser_net {
-
-// Observes resource requests in the ResourceDispatcherHostDelegate and notifies
-// the ResourcePrefetchPredictor about the ones it is interested in.
-//  - Has an instance per profile, and is owned by the corresponding
-//    ProfileIOData.
-//  - Needs to be constructed on UI thread. Can be destroyed on UI or IO thread.
-//    As for member functions, public members are meant to be called on the IO
-//    thread and private members from the UI thread.
-class ResourcePrefetchPredictorObserver {
- public:
-  explicit ResourcePrefetchPredictorObserver(
-      predictors::ResourcePrefetchPredictor* predictor);
-  ~ResourcePrefetchPredictorObserver();
-
-  // Parts of the ResourceDispatcherHostDelegate that we want to observe.
-  void OnRequestStarted(net::URLRequest* request,
-                        content::ResourceType resource_type,
-                        const content::ResourceRequestInfo::WebContentsGetter&
-                            web_contents_getter);
-  void OnRequestRedirected(
-      net::URLRequest* request,
-      const GURL& redirect_url,
-      const content::ResourceRequestInfo::WebContentsGetter&
-          web_contents_getter);
-  void OnResponseStarted(net::URLRequest* request,
-                         const content::ResourceRequestInfo::WebContentsGetter&
-                             web_contents_getter);
-
- private:
-  void OnRequestStartedOnUIThread(
-      std::unique_ptr<predictors::ResourcePrefetchPredictor::URLRequestSummary>
-          summary,
-      const content::ResourceRequestInfo::WebContentsGetter&
-          web_contents_getter,
-      const GURL& main_frame_url,
-      const base::TimeTicks& creation_time) const;
-  void OnRequestRedirectedOnUIThread(
-      std::unique_ptr<predictors::ResourcePrefetchPredictor::URLRequestSummary>
-          summary,
-      const content::ResourceRequestInfo::WebContentsGetter&
-          web_contents_getter,
-      const GURL& main_frame_url,
-      const base::TimeTicks& creation_time) const;
-  void OnResponseStartedOnUIThread(
-      std::unique_ptr<predictors::ResourcePrefetchPredictor::URLRequestSummary>
-          summary,
-      const content::ResourceRequestInfo::WebContentsGetter&
-          web_contents_getter,
-      const GURL& main_frame_url,
-      const base::TimeTicks& creation_time) const;
-
-  // Owned by profile.
-  base::WeakPtr<predictors::ResourcePrefetchPredictor> predictor_;
-
-  DISALLOW_COPY_AND_ASSIGN(ResourcePrefetchPredictorObserver);
-};
-
-}  // namespace chrome_browser_net
-
-#endif  // CHROME_BROWSER_NET_RESOURCE_PREFETCH_PREDICTOR_OBSERVER_H_