Revert 252466 "In order to support writing on windows we need to..."

trunk/src/chrome/browser/extensions/api/image_writer_private/image_writer_utility_client.cc

Index: trunk/src/chrome/browser/extensions/api/image_writer_private/image_writer_utility_client.cc
===================================================================
--- trunk/src/chrome/browser/extensions/api/image_writer_private/image_writer_utility_client.cc	(revision 252593)
+++ trunk/src/chrome/browser/extensions/api/image_writer_private/image_writer_utility_client.cc	(working copy)
@@ -1,158 +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.
-
-#include "base/bind.h"
-#include "base/message_loop/message_loop.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/extensions/api/image_writer_private/image_writer_utility_client.h"
-#include "chrome/common/chrome_utility_messages.h"
-#include "content/public/browser/browser_thread.h"
-
-using content::BrowserThread;
-
-ImageWriterUtilityClient::ImageWriterUtilityClient()
-    : message_loop_proxy_(base::MessageLoopProxy::current()) {}
-ImageWriterUtilityClient::~ImageWriterUtilityClient() {}
-
-void ImageWriterUtilityClient::Write(const ProgressCallback& progress_callback,
-                                     const SuccessCallback& success_callback,
-                                     const ErrorCallback& error_callback,
-                                     const base::FilePath& source,
-                                     const base::FilePath& target) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-
-  StartHost();
-
-  progress_callback_ = progress_callback;
-  success_callback_ = success_callback;
-  error_callback_ = error_callback;
-
-  if (!Send(new ChromeUtilityMsg_ImageWriter_Write(source, target))) {
-    DLOG(ERROR) << "Unable to send Write message to Utility Process.";
-    message_loop_proxy_->PostTask(
-        FROM_HERE, base::Bind(error_callback_, "IPC communication failed"));
-  }
-}
-
-void ImageWriterUtilityClient::Verify(const ProgressCallback& progress_callback,
-                                      const SuccessCallback& success_callback,
-                                      const ErrorCallback& error_callback,
-                                      const base::FilePath& source,
-                                      const base::FilePath& target) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-
-  StartHost();
-
-  progress_callback_ = progress_callback;
-  success_callback_ = success_callback;
-  error_callback_ = error_callback;
-
-  if (!Send(new ChromeUtilityMsg_ImageWriter_Verify(source, target))) {
-    DLOG(ERROR) << "Unable to send Verify message to Utility Process.";
-    message_loop_proxy_->PostTask(
-        FROM_HERE, base::Bind(error_callback_, "IPC communication failed"));
-  }
-}
-
-void ImageWriterUtilityClient::Cancel(const CancelCallback& cancel_callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-
-  if (!utility_process_host_) {
-    // If we haven't connected, there is nothing to cancel.
-    message_loop_proxy_->PostTask(FROM_HERE, cancel_callback);
-    return;
-  }
-
-  cancel_callback_ = cancel_callback;
-
-  if (!Send(new ChromeUtilityMsg_ImageWriter_Cancel())) {
-    DLOG(ERROR) << "Unable to send Cancel message to Utility Process.";
-  }
-}
-
-void ImageWriterUtilityClient::Shutdown() {
-  if (utility_process_host_ &&
-      Send(new ChromeUtilityMsg_ImageWriter_Cancel())) {
-    utility_process_host_->EndBatchMode();
-  }
-
-  // Clear handlers to not hold any reference to the caller.
-  success_callback_ = base::Closure();
-  progress_callback_ = base::Callback<void(int64)>();
-  error_callback_ = base::Callback<void(const std::string&)>();
-  cancel_callback_ = base::Closure();
-}
-
-void ImageWriterUtilityClient::StartHost() {
-  if (!utility_process_host_) {
-    scoped_refptr<base::SequencedTaskRunner> task_runner =
-        base::MessageLoop::current()->message_loop_proxy();
-    utility_process_host_ = content::UtilityProcessHost::Create(
-                                this, task_runner.get())->AsWeakPtr();
-
-#if defined(OS_WIN)
-    utility_process_host_->ElevatePrivileges();
-#else
-    utility_process_host_->DisableSandbox();
-#endif
-    utility_process_host_->StartBatchMode();
-    utility_process_host_->DisableSandbox();
-  }
-}
-
-void ImageWriterUtilityClient::OnProcessCrashed(int exit_code) {
-  message_loop_proxy_->PostTask(
-      FROM_HERE, base::Bind(error_callback_, "Utility process crashed."));
-}
-
-void ImageWriterUtilityClient::OnProcessLaunchFailed() {
-  message_loop_proxy_->PostTask(
-      FROM_HERE, base::Bind(error_callback_, "Process launch failed."));
-}
-
-bool ImageWriterUtilityClient::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(ImageWriterUtilityClient, message)
-  IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ImageWriter_Succeeded,
-                      OnWriteImageSucceeded)
-  IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ImageWriter_Cancelled,
-                      OnWriteImageCancelled)
-  IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ImageWriter_Failed,
-                      OnWriteImageFailed)
-  IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ImageWriter_Progress,
-                      OnWriteImageProgress)
-  IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-bool ImageWriterUtilityClient::Send(IPC::Message* msg) {
-  return utility_process_host_ && utility_process_host_->Send(msg);
-}
-
-void ImageWriterUtilityClient::OnWriteImageSucceeded() {
-  if (!success_callback_.is_null()) {
-    message_loop_proxy_->PostTask(FROM_HERE, success_callback_);
-  }
-}
-
-void ImageWriterUtilityClient::OnWriteImageCancelled() {
-  if (!cancel_callback_.is_null()) {
-    message_loop_proxy_->PostTask(FROM_HERE, cancel_callback_);
-  }
-}
-
-void ImageWriterUtilityClient::OnWriteImageFailed(const std::string& message) {
-  if (!error_callback_.is_null()) {
-    message_loop_proxy_->PostTask(FROM_HERE,
-                                  base::Bind(error_callback_, message));
-  }
-}
-
-void ImageWriterUtilityClient::OnWriteImageProgress(int64 progress) {
-  if (!progress_callback_.is_null()) {
-    message_loop_proxy_->PostTask(FROM_HERE,
-                                  base::Bind(progress_callback_, progress));
-  }
-}