chrome: Cleanup class/struct forward declarations

chrome/browser/prerender/prerender_manager.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 CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 11 matching lines @@
 #include "chrome/browser/prerender/prerender_contents.h"
 #include "chrome/browser/prerender/prerender_final_status.h"
 #include "chrome/browser/prerender/prerender_histograms.h"
 #include "chrome/browser/prerender/prerender_origin.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/render_process_host_observer.h"
 #include "url/gurl.h"
 
-class InstantSearchPrerendererTest;
 class Profile;
-struct ChromeCookieDetails;
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 class SimpleTestClock;
 class SimpleTestTickClock;
 class TickClock;
 }
 
 namespace chrome {
 struct NavigateParams;
 }
 
 namespace chrome_browser_net {
 enum class NetworkPredictionStatus;
 }
 
 namespace content {
 class WebContents;
 }
 
 namespace gfx {
 class Rect;
 class Size;
 }
 
-namespace offline_pages {
-class PrerenderAdapterTest;
-}
-
 namespace prerender {
 
 namespace test_utils {
 class PrerenderInProcessBrowserTest;
 }
 
 class PrerenderHandle;
 class PrerenderHistory;
-class PrerenderLocalPredictor;
 
 // PrerenderManager is responsible for initiating and keeping prerendered
 // views of web pages. All methods must be called on the UI thread unless
 // indicated otherwise.
 class PrerenderManager : public content::NotificationObserver,
                          public content::RenderProcessHostObserver,
                          public KeyedService,
                          public MediaCaptureDevicesDispatcher::Observer {
  public:
   enum PrerenderManagerMode {
@@ skipping 517 matching lines @@
   std::unique_ptr<base::TickClock> tick_clock_;
 
   base::WeakPtrFactory<PrerenderManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderManager);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_