Remove Chrome Frame code and resources.

chrome_frame/custom_sync_call_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 CHROME_FRAME_CUSTOM_SYNC_CALL_CONTEXT_H_
-#define CHROME_FRAME_CUSTOM_SYNC_CALL_CONTEXT_H_
-
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/tuple.h"
-#include "chrome_frame/sync_msg_reply_dispatcher.h"
-#include "chrome_frame/chrome_frame_automation.h"
-#include "ipc/ipc_sync_message.h"
-
-// This class maintains context information for the BeginNavigate operations
-// pertaining to the external tab.
-class BeginNavigateContext
-    : public SyncMessageReplyDispatcher::SyncMessageCallContext {
- public:
-  explicit BeginNavigateContext(ChromeFrameAutomationClient* client);
-
-  typedef Tuple1<AutomationMsg_NavigationResponseValues> output_type;
-
-  void Completed(AutomationMsg_NavigationResponseValues response);
-
- private:
-  scoped_refptr<ChromeFrameAutomationClient> client_;
-};
-
-// Class that maintains contextual information for the unload operation, i.e.
-// when the user attempts to navigate away from a page rendered in ChromeFrame.
-class UnloadContext
-    : public SyncMessageReplyDispatcher::SyncMessageCallContext {
- public:
-  typedef Tuple1<bool> output_type;
-  UnloadContext(base::WaitableEvent* unload_done, bool* should_unload);
-
-  void Completed(bool should_unload);
-
- private:
-  base::WaitableEvent* unload_done_;
-  bool* should_unload_;
-};
-
-#endif  // CHROME_FRAME_CUSTOM_SYNC_CALL_CONTEXT_H_