Move c/b/webdata/ code to components/webdata/

chrome/browser/webdata/web_data_request_manager.h

Index: chrome/browser/webdata/web_data_request_manager.h
diff --git a/chrome/browser/webdata/web_data_request_manager.h b/chrome/browser/webdata/web_data_request_manager.h
deleted file mode 100644
index c834113b739d69cb2e0f21d2083880706f66b644..0000000000000000000000000000000000000000
--- a/chrome/browser/webdata/web_data_request_manager.h
+++ /dev/null
@@ -1,137 +0,0 @@
-// Copyright 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.
-
-// Chromium settings and storage represent user-selected preferences and
-// information and MUST not be extracted, overwritten or modified except
-// through Chromium defined APIs.
-
-#ifndef CHROME_BROWSER_WEBDATA_WEB_DATA_REQUEST_MANAGER_H__
-#define CHROME_BROWSER_WEBDATA_WEB_DATA_REQUEST_MANAGER_H__
-
-#include <map>
-
-#include "base/memory/ref_counted.h"
-#include "base/synchronization/lock.h"
-#include "chrome/browser/api/webdata/web_data_results.h"
-#include "chrome/browser/api/webdata/web_data_service_base.h"
-#include "chrome/browser/api/webdata/web_data_service_consumer.h"
-
-class WebDataService;
-class WebDataServiceConsumer;
-class WebDataRequestManager;
-
-namespace base {
-class MessageLoop;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-//
-// Webdata requests
-//
-// Every request is processed using a request object. The object contains
-// both the request parameters and the results.
-//////////////////////////////////////////////////////////////////////////////
-class WebDataRequest {
- public:
-  WebDataRequest(WebDataServiceConsumer* consumer,
-                 WebDataRequestManager* manager);
-
-  virtual ~WebDataRequest();
-
-  WebDataServiceBase::Handle GetHandle() const;
-
-  // Retrieves the |consumer_| set in the constructor.
-  WebDataServiceConsumer* GetConsumer() const;
-
-  // Retrieves the original message loop the of the request.
-  base::MessageLoop* GetMessageLoop() const;
-
-  // Returns |true| if the request was cancelled via the |Cancel()| method.
-  bool IsCancelled() const;
-
-  // This can be invoked from any thread. From this point we assume that
-  // our consumer_ reference is invalid.
-  void Cancel();
-
-  // Invoked when the request has been completed.
-  void OnComplete();
-
-  // The result is owned by the request.
-  void SetResult(scoped_ptr<WDTypedResult> r);
-
-  // Transfers ownership pof result to caller. Should only be called once per
-  // result.
-  scoped_ptr<WDTypedResult> GetResult();
-
- private:
-  // Used to notify manager if request is cancelled. Uses a raw ptr instead of
-  // a ref_ptr so that it can be set to NULL when a request is cancelled.
-  WebDataRequestManager* manager_;
-
-  // Tracks loop that the request originated on.
-  base::MessageLoop* message_loop_;
-
-  // Identifier for this request.
-  WebDataServiceBase::Handle handle_;
-
-  // A lock to protect against simultaneous cancellations of the request.
-  // Cancellation affects both the |cancelled_| flag and |consumer_|.
-  mutable base::Lock cancel_lock_;
-  bool cancelled_;
-
-  // The originator of the service request.
-  WebDataServiceConsumer* consumer_;
-
-  scoped_ptr<WDTypedResult> result_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebDataRequest);
-};
-
-//////////////////////////////////////////////////////////////////////////////
-//
-// Webdata Request Manager
-//
-// Tracks all WebDataRequests for a WebDataService.
-//
-// Note: This is an internal interface, not to be used outside of webdata/
-//////////////////////////////////////////////////////////////////////////////
-class WebDataRequestManager
-    : public base::RefCountedThreadSafe<WebDataRequestManager> {
- public:
-  WebDataRequestManager();
-
-  // Cancel any pending request.
-  void CancelRequest(WebDataServiceBase::Handle h);
-
-  // Invoked by the WebDataService when |request| has been completed.
-  void RequestCompleted(scoped_ptr<WebDataRequest> request);
-
-  // Register the request as a pending request.
-  void RegisterRequest(WebDataRequest* request);
-
-  // Return the next request handle.
-  int GetNextRequestHandle();
-
- private:
-  friend class base::RefCountedThreadSafe<WebDataRequestManager>;
-
-  ~WebDataRequestManager();
-
-  // This will notify the consumer in whatever thread was used to create this
-  // request.
-  void RequestCompletedOnThread(scoped_ptr<WebDataRequest> request);
-
-  // A lock to protect pending requests and next request handle.
-  base::Lock pending_lock_;
-
-  // Next handle to be used for requests. Incremented for each use.
-  WebDataServiceBase::Handle next_request_handle_;
-
-  typedef std::map<WebDataServiceBase::Handle, WebDataRequest*> RequestMap;
-  RequestMap pending_requests_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebDataRequestManager);
-};
-
-#endif  // CHROME_BROWSER_WEBDATA_WEB_DATA_REQUEST_MANAGER_H__