Revert 146735 - Handle interface to prerenders.

It broke the windows aura build, which isn't on standard tries.

The prerender_manager now returns a PrerenderHandle* when creating a prerender; this is a useful object for canceling the prerender, as well as signaling navigation, etc...

BUG=None

Review URL: https://chromiumcodereview.appspot.com/10553029

TBR=gavinp@chromium.org
Review URL: https://chromiumcodereview.appspot.com/10783013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@146736 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 79 deletions

diff --git a/chrome/browser/prerender/prerender_handle.h b/chrome/browser/prerender/prerender_handle.h
deleted file mode 100644
index 90a9dcc..0000000
--- a/chrome/browser/prerender/prerender_handle.h
+++ /dev/null
@@ -1,79 +0,0 @@
-// 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_HANDLE_H_
-#define CHROME_BROWSER_PRERENDER_PRERENDER_HANDLE_H_
-
-#include "base/basictypes.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/non_thread_safe.h"
-#include "chrome/browser/prerender/prerender_manager.h"
-
-class GURL;
-
-namespace content {
-class SessionStorageNamespace;
-}
-
-namespace prerender {
-
-class PrerenderContents;
-
-// A class representing a running prerender to a client of the PrerenderManager.
-// Methods on PrerenderManager which start prerenders return a caller-owned
-// PrerenderHandle* to the client (or NULL if they are unable to start a
-// prerender). Because the PrerenderManager can stop running prerenders at any
-// time, callers may wish to check PrerenderHandle::IsValid() before operating
-// on their prerenders.
-class PrerenderHandle : public base::NonThreadSafe {
- public:
-  // Before calling the destructor, the caller must invalidate the handle by
-  // calling either OnNavigateAway or OnCancel.
-  ~PrerenderHandle();
-
-  // The launcher is navigating away from the context that launched this
-  // prerender. The prerender will likely stay alive briefly though, in case we
-  // are going through a redirect chain that will target it. This call
-  // invalidates the handle. If the prerender handle is already invalid, this
-  // call does nothing.
-  void OnNavigateAway();
-
-  // The launcher has taken explicit action to remove this prerender (for
-  // instance, removing a link element from a document). This call invalidates
-  // the handle. If the prerender handle is already invalid, this call does
-  // nothing.
-  void OnCancel();
-
-  // True if the prerender handle is still connected to a (pending or running)
-  // prerender. Handles can become invalid through explicit requests by the
-  // client, such as calling OnCancel() or OnNavigateAway(), and handles
-  // also become invalid when the PrerenderManager cancels prerenders.
-  bool IsValid() const;
-
-  // True if this prerender was launched by a page that was itself being
-  // prerendered, and so has not yet been started.
-  bool IsPending() const;
-
-  // True if this prerender is currently active.
-  bool IsPrerendering() const;
-
-  // True if we started a prerender, and it has finished loading.
-  bool IsFinishedLoading() const;
-
- private:
-  friend class PrerenderManager;
-
-  explicit PrerenderHandle(PrerenderManager::PrerenderData* prerender_data);
-
-  void SwapPrerenderDataWith(PrerenderHandle* other_prerender_handle);
-
-  base::WeakPtr<PrerenderManager::PrerenderData> prerender_data_;
-  base::WeakPtrFactory<PrerenderHandle> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(PrerenderHandle);
-};
-
-}  // namespace prerender
-
-#endif  // CHROME_BROWSER_PRERENDER_PRERENDER_HANDLE_H_